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

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


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

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

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

Reorder the terms for easier multiplication:
6 + 3x = 2x(3 + x)
6 + 3x = (3 * 2x + x * 2x)
6 + 3x = (6x + 2x2)

Solving
6 + 3x = 6x + 2x2

Solving for variable 'x'.

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

Reorder the terms:
6 + -3x + -2x2 = 6x + -6x + 2x2 + -2x2

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

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

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

Divide each side by '-2'.
-3 + 1.5x + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + 1.5x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + 1.5x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 1.5x + x2 = 0 + 3
1.5x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
1.5x + x2 = 3

The x term is 1.5x.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5x + 0.5625 + x2 = 3 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = 3 + 0.5625

Combine like terms: 3 + 0.5625 = 3.5625
0.5625 + 1.5x + x2 = 3.5625

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = 3.5625

Calculate the square root of the right side: 1.887458609

Break this problem into two subproblems by setting 
(x + 0.75) equal to 1.887458609 and -1.887458609.

Subproblem 1

x + 0.75 = 1.887458609 Simplifying x + 0.75 = 1.887458609 Reorder the terms: 0.75 + x = 1.887458609 Solving 0.75 + x = 1.887458609 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + x = 1.887458609 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = 1.887458609 + -0.75 x = 1.887458609 + -0.75 Combine like terms: 1.887458609 + -0.75 = 1.137458609 x = 1.137458609 Simplifying x = 1.137458609

Subproblem 2

x + 0.75 = -1.887458609 Simplifying x + 0.75 = -1.887458609 Reorder the terms: 0.75 + x = -1.887458609 Solving 0.75 + x = -1.887458609 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + x = -1.887458609 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = -1.887458609 + -0.75 x = -1.887458609 + -0.75 Combine like terms: -1.887458609 + -0.75 = -2.637458609 x = -2.637458609 Simplifying x = -2.637458609

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.137458609, -2.637458609}

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