(x-2)(x-2)+(3x+1)(3x+1)-(2x+1)(2x-1)-(2x+3)(2x+3)=0

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Solution for (x-2)(x-2)+(3x+1)(3x+1)-(2x+1)(2x-1)-(2x+3)(2x+3)=0 equation:


Simplifying
(x + -2)(x + -2) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Reorder the terms:
(-2 + x)(x + -2) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Reorder the terms:
(-2 + x)(-2 + x) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Multiply (-2 + x) * (-2 + x)
(-2(-2 + x) + x(-2 + x)) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
((-2 * -2 + x * -2) + x(-2 + x)) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
((4 + -2x) + x(-2 + x)) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
(4 + -2x + (-2 * x + x * x)) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
(4 + -2x + (-2x + x2)) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Combine like terms: -2x + -2x = -4x
(4 + -4x + x2) + (3x + 1)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Reorder the terms:
4 + -4x + x2 + (1 + 3x)(3x + 1) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Reorder the terms:
4 + -4x + x2 + (1 + 3x)(1 + 3x) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Multiply (1 + 3x) * (1 + 3x)
4 + -4x + x2 + (1(1 + 3x) + 3x * (1 + 3x)) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + ((1 * 1 + 3x * 1) + 3x * (1 + 3x)) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + ((1 + 3x) + 3x * (1 + 3x)) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + (1 + 3x + (1 * 3x + 3x * 3x)) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + (1 + 3x + (3x + 9x2)) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Combine like terms: 3x + 3x = 6x
4 + -4x + x2 + (1 + 6x + 9x2) + -1(2x + 1)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Reorder the terms:
4 + -4x + x2 + 1 + 6x + 9x2 + -1(1 + 2x)(2x + -1) + -1(2x + 3)(2x + 3) = 0

Reorder the terms:
4 + -4x + x2 + 1 + 6x + 9x2 + -1(1 + 2x)(-1 + 2x) + -1(2x + 3)(2x + 3) = 0

Multiply (1 + 2x) * (-1 + 2x)
4 + -4x + x2 + 1 + 6x + 9x2 + -1(1(-1 + 2x) + 2x * (-1 + 2x)) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + -1((-1 * 1 + 2x * 1) + 2x * (-1 + 2x)) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + -1((-1 + 2x) + 2x * (-1 + 2x)) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + -1(-1 + 2x + (-1 * 2x + 2x * 2x)) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + -1(-1 + 2x + (-2x + 4x2)) + -1(2x + 3)(2x + 3) = 0

Combine like terms: 2x + -2x = 0
4 + -4x + x2 + 1 + 6x + 9x2 + -1(-1 + 0 + 4x2) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + -1(-1 + 4x2) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + (-1 * -1 + 4x2 * -1) + -1(2x + 3)(2x + 3) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + (1 + -4x2) + -1(2x + 3)(2x + 3) = 0

Reorder the terms:
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1(3 + 2x)(2x + 3) = 0

Reorder the terms:
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1(3 + 2x)(3 + 2x) = 0

Multiply (3 + 2x) * (3 + 2x)
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1(3(3 + 2x) + 2x * (3 + 2x)) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1((3 * 3 + 2x * 3) + 2x * (3 + 2x)) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1((9 + 6x) + 2x * (3 + 2x)) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1(9 + 6x + (3 * 2x + 2x * 2x)) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1(9 + 6x + (6x + 4x2)) = 0

Combine like terms: 6x + 6x = 12x
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + -1(9 + 12x + 4x2) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + (9 * -1 + 12x * -1 + 4x2 * -1) = 0
4 + -4x + x2 + 1 + 6x + 9x2 + 1 + -4x2 + (-9 + -12x + -4x2) = 0

Reorder the terms:
4 + 1 + 1 + -9 + -4x + 6x + -12x + x2 + 9x2 + -4x2 + -4x2 = 0

Combine like terms: 4 + 1 = 5
5 + 1 + -9 + -4x + 6x + -12x + x2 + 9x2 + -4x2 + -4x2 = 0

Combine like terms: 5 + 1 = 6
6 + -9 + -4x + 6x + -12x + x2 + 9x2 + -4x2 + -4x2 = 0

Combine like terms: 6 + -9 = -3
-3 + -4x + 6x + -12x + x2 + 9x2 + -4x2 + -4x2 = 0

Combine like terms: -4x + 6x = 2x
-3 + 2x + -12x + x2 + 9x2 + -4x2 + -4x2 = 0

Combine like terms: 2x + -12x = -10x
-3 + -10x + x2 + 9x2 + -4x2 + -4x2 = 0

Combine like terms: x2 + 9x2 = 10x2
-3 + -10x + 10x2 + -4x2 + -4x2 = 0

Combine like terms: 10x2 + -4x2 = 6x2
-3 + -10x + 6x2 + -4x2 = 0

Combine like terms: 6x2 + -4x2 = 2x2
-3 + -10x + 2x2 = 0

Solving
-3 + -10x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-1.5 + -5x + x2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + -5x + 1.5 + x2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + -5x + x2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + -5x + x2 = 0 + 1.5
-5x + x2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
-5x + x2 = 1.5

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = 1.5 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 1.5 + 6.25

Combine like terms: 1.5 + 6.25 = 7.75
6.25 + -5x + x2 = 7.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 7.75

Calculate the square root of the right side: 2.783882181

Break this problem into two subproblems by setting 
(x + -2.5) equal to 2.783882181 and -2.783882181.

Subproblem 1

x + -2.5 = 2.783882181 Simplifying x + -2.5 = 2.783882181 Reorder the terms: -2.5 + x = 2.783882181 Solving -2.5 + x = 2.783882181 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 2.783882181 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 2.783882181 + 2.5 x = 2.783882181 + 2.5 Combine like terms: 2.783882181 + 2.5 = 5.283882181 x = 5.283882181 Simplifying x = 5.283882181

Subproblem 2

x + -2.5 = -2.783882181 Simplifying x + -2.5 = -2.783882181 Reorder the terms: -2.5 + x = -2.783882181 Solving -2.5 + x = -2.783882181 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -2.783882181 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -2.783882181 + 2.5 x = -2.783882181 + 2.5 Combine like terms: -2.783882181 + 2.5 = -0.283882181 x = -0.283882181 Simplifying x = -0.283882181

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.283882181, -0.283882181}

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