(3x-7)(3x-7)-5(2x+1)(x-2)=-x-(-(3x+1))

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Solution for (3x-7)(3x-7)-5(2x+1)(x-2)=-x-(-(3x+1)) equation:


Simplifying
(3x + -7)(3x + -7) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))

Reorder the terms:
(-7 + 3x)(3x + -7) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))

Reorder the terms:
(-7 + 3x)(-7 + 3x) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))

Multiply (-7 + 3x) * (-7 + 3x)
(-7(-7 + 3x) + 3x * (-7 + 3x)) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))
((-7 * -7 + 3x * -7) + 3x * (-7 + 3x)) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))
((49 + -21x) + 3x * (-7 + 3x)) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))
(49 + -21x + (-7 * 3x + 3x * 3x)) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))
(49 + -21x + (-21x + 9x2)) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))

Combine like terms: -21x + -21x = -42x
(49 + -42x + 9x2) + -5(2x + 1)(x + -2) = -1x + -1(-1(3x + 1))

Reorder the terms:
49 + -42x + 9x2 + -5(1 + 2x)(x + -2) = -1x + -1(-1(3x + 1))

Reorder the terms:
49 + -42x + 9x2 + -5(1 + 2x)(-2 + x) = -1x + -1(-1(3x + 1))

Multiply (1 + 2x) * (-2 + x)
49 + -42x + 9x2 + -5(1(-2 + x) + 2x * (-2 + x)) = -1x + -1(-1(3x + 1))
49 + -42x + 9x2 + -5((-2 * 1 + x * 1) + 2x * (-2 + x)) = -1x + -1(-1(3x + 1))
49 + -42x + 9x2 + -5((-2 + 1x) + 2x * (-2 + x)) = -1x + -1(-1(3x + 1))
49 + -42x + 9x2 + -5(-2 + 1x + (-2 * 2x + x * 2x)) = -1x + -1(-1(3x + 1))
49 + -42x + 9x2 + -5(-2 + 1x + (-4x + 2x2)) = -1x + -1(-1(3x + 1))

Combine like terms: 1x + -4x = -3x
49 + -42x + 9x2 + -5(-2 + -3x + 2x2) = -1x + -1(-1(3x + 1))
49 + -42x + 9x2 + (-2 * -5 + -3x * -5 + 2x2 * -5) = -1x + -1(-1(3x + 1))
49 + -42x + 9x2 + (10 + 15x + -10x2) = -1x + -1(-1(3x + 1))

Reorder the terms:
49 + 10 + -42x + 15x + 9x2 + -10x2 = -1x + -1(-1(3x + 1))

Combine like terms: 49 + 10 = 59
59 + -42x + 15x + 9x2 + -10x2 = -1x + -1(-1(3x + 1))

Combine like terms: -42x + 15x = -27x
59 + -27x + 9x2 + -10x2 = -1x + -1(-1(3x + 1))

Combine like terms: 9x2 + -10x2 = -1x2
59 + -27x + -1x2 = -1x + -1(-1(3x + 1))

Reorder the terms:
59 + -27x + -1x2 = -1x + -1(-1(1 + 3x))
59 + -27x + -1x2 = -1x + -1((1 * -1 + 3x * -1))
59 + -27x + -1x2 = -1x + -1((-1 + -3x))
59 + -27x + -1x2 = -1x + (-1 * -1 + -3x * -1)
59 + -27x + -1x2 = -1x + (1 + 3x)

Reorder the terms:
59 + -27x + -1x2 = 1 + -1x + 3x

Combine like terms: -1x + 3x = 2x
59 + -27x + -1x2 = 1 + 2x

Solving
59 + -27x + -1x2 = 1 + 2x

Solving for variable 'x'.

Reorder the terms:
59 + -1 + -27x + -2x + -1x2 = 1 + 2x + -1 + -2x

Combine like terms: 59 + -1 = 58
58 + -27x + -2x + -1x2 = 1 + 2x + -1 + -2x

Combine like terms: -27x + -2x = -29x
58 + -29x + -1x2 = 1 + 2x + -1 + -2x

Reorder the terms:
58 + -29x + -1x2 = 1 + -1 + 2x + -2x

Combine like terms: 1 + -1 = 0
58 + -29x + -1x2 = 0 + 2x + -2x
58 + -29x + -1x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
58 + -29x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-58 + 29x + x2 = 0

Move the constant term to the right:

Add '58' to each side of the equation.
-58 + 29x + 58 + x2 = 0 + 58

Reorder the terms:
-58 + 58 + 29x + x2 = 0 + 58

Combine like terms: -58 + 58 = 0
0 + 29x + x2 = 0 + 58
29x + x2 = 0 + 58

Combine like terms: 0 + 58 = 58
29x + x2 = 58

The x term is 29x.  Take half its coefficient (14.5).
Square it (210.25) and add it to both sides.

Add '210.25' to each side of the equation.
29x + 210.25 + x2 = 58 + 210.25

Reorder the terms:
210.25 + 29x + x2 = 58 + 210.25

Combine like terms: 58 + 210.25 = 268.25
210.25 + 29x + x2 = 268.25

Factor a perfect square on the left side:
(x + 14.5)(x + 14.5) = 268.25

Calculate the square root of the right side: 16.378339354

Break this problem into two subproblems by setting 
(x + 14.5) equal to 16.378339354 and -16.378339354.

Subproblem 1

x + 14.5 = 16.378339354 Simplifying x + 14.5 = 16.378339354 Reorder the terms: 14.5 + x = 16.378339354 Solving 14.5 + x = 16.378339354 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14.5' to each side of the equation. 14.5 + -14.5 + x = 16.378339354 + -14.5 Combine like terms: 14.5 + -14.5 = 0.0 0.0 + x = 16.378339354 + -14.5 x = 16.378339354 + -14.5 Combine like terms: 16.378339354 + -14.5 = 1.878339354 x = 1.878339354 Simplifying x = 1.878339354

Subproblem 2

x + 14.5 = -16.378339354 Simplifying x + 14.5 = -16.378339354 Reorder the terms: 14.5 + x = -16.378339354 Solving 14.5 + x = -16.378339354 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14.5' to each side of the equation. 14.5 + -14.5 + x = -16.378339354 + -14.5 Combine like terms: 14.5 + -14.5 = 0.0 0.0 + x = -16.378339354 + -14.5 x = -16.378339354 + -14.5 Combine like terms: -16.378339354 + -14.5 = -30.878339354 x = -30.878339354 Simplifying x = -30.878339354

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.878339354, -30.878339354}

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