(4x+3)(x+2)=(3x)(2x+2)

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Solution for (4x+3)(x+2)=(3x)(2x+2) equation:


Simplifying
(4x + 3)(x + 2) = (3x)(2x + 2)

Reorder the terms:
(3 + 4x)(x + 2) = (3x)(2x + 2)

Reorder the terms:
(3 + 4x)(2 + x) = (3x)(2x + 2)

Multiply (3 + 4x) * (2 + x)
(3(2 + x) + 4x * (2 + x)) = (3x)(2x + 2)
((2 * 3 + x * 3) + 4x * (2 + x)) = (3x)(2x + 2)
((6 + 3x) + 4x * (2 + x)) = (3x)(2x + 2)
(6 + 3x + (2 * 4x + x * 4x)) = (3x)(2x + 2)
(6 + 3x + (8x + 4x2)) = (3x)(2x + 2)

Combine like terms: 3x + 8x = 11x
(6 + 11x + 4x2) = (3x)(2x + 2)

Remove parenthesis around (3x)
6 + 11x + 4x2 = 3x(2x + 2)

Reorder the terms:
6 + 11x + 4x2 = 3x(2 + 2x)
6 + 11x + 4x2 = (2 * 3x + 2x * 3x)
6 + 11x + 4x2 = (6x + 6x2)

Solving
6 + 11x + 4x2 = 6x + 6x2

Solving for variable 'x'.

Reorder the terms:
6 + 11x + -6x + 4x2 + -6x2 = 6x + 6x2 + -6x + -6x2

Combine like terms: 11x + -6x = 5x
6 + 5x + 4x2 + -6x2 = 6x + 6x2 + -6x + -6x2

Combine like terms: 4x2 + -6x2 = -2x2
6 + 5x + -2x2 = 6x + 6x2 + -6x + -6x2

Reorder the terms:
6 + 5x + -2x2 = 6x + -6x + 6x2 + -6x2

Combine like terms: 6x + -6x = 0
6 + 5x + -2x2 = 0 + 6x2 + -6x2
6 + 5x + -2x2 = 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
6 + 5x + -2x2 = 0

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

Divide each side by '-2'.
-3 + -2.5x + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -2.5x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -2.5x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -2.5x + x2 = 0 + 3
-2.5x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-2.5x + x2 = 3

The x term is -2.5x.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5x + 1.5625 + x2 = 3 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = 3 + 1.5625

Combine like terms: 3 + 1.5625 = 4.5625
1.5625 + -2.5x + x2 = 4.5625

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = 4.5625

Calculate the square root of the right side: 2.136000936

Break this problem into two subproblems by setting 
(x + -1.25) equal to 2.136000936 and -2.136000936.

Subproblem 1

x + -1.25 = 2.136000936 Simplifying x + -1.25 = 2.136000936 Reorder the terms: -1.25 + x = 2.136000936 Solving -1.25 + x = 2.136000936 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = 2.136000936 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = 2.136000936 + 1.25 x = 2.136000936 + 1.25 Combine like terms: 2.136000936 + 1.25 = 3.386000936 x = 3.386000936 Simplifying x = 3.386000936

Subproblem 2

x + -1.25 = -2.136000936 Simplifying x + -1.25 = -2.136000936 Reorder the terms: -1.25 + x = -2.136000936 Solving -1.25 + x = -2.136000936 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = -2.136000936 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = -2.136000936 + 1.25 x = -2.136000936 + 1.25 Combine like terms: -2.136000936 + 1.25 = -0.886000936 x = -0.886000936 Simplifying x = -0.886000936

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.386000936, -0.886000936}

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