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

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


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

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

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

Multiply (2 + x) * (-3 + x)
(2(-3 + x) + x(-3 + x)) = (x + 3) * 3
((-3 * 2 + x * 2) + x(-3 + x)) = (x + 3) * 3
((-6 + 2x) + x(-3 + x)) = (x + 3) * 3
(-6 + 2x + (-3 * x + x * x)) = (x + 3) * 3
(-6 + 2x + (-3x + x2)) = (x + 3) * 3

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

Reorder the terms:
-6 + -1x + x2 = (3 + x) * 3

Reorder the terms for easier multiplication:
-6 + -1x + x2 = 3(3 + x)
-6 + -1x + x2 = (3 * 3 + x * 3)
-6 + -1x + x2 = (9 + 3x)

Solving
-6 + -1x + x2 = 9 + 3x

Solving for variable 'x'.

Reorder the terms:
-6 + -9 + -1x + -3x + x2 = 9 + 3x + -9 + -3x

Combine like terms: -6 + -9 = -15
-15 + -1x + -3x + x2 = 9 + 3x + -9 + -3x

Combine like terms: -1x + -3x = -4x
-15 + -4x + x2 = 9 + 3x + -9 + -3x

Reorder the terms:
-15 + -4x + x2 = 9 + -9 + 3x + -3x

Combine like terms: 9 + -9 = 0
-15 + -4x + x2 = 0 + 3x + -3x
-15 + -4x + x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
-15 + -4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '15' to each side of the equation.
-15 + -4x + 15 + x2 = 0 + 15

Reorder the terms:
-15 + 15 + -4x + x2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -4x + x2 = 0 + 15
-4x + x2 = 0 + 15

Combine like terms: 0 + 15 = 15
-4x + x2 = 15

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 15 + 4

Reorder the terms:
4 + -4x + x2 = 15 + 4

Combine like terms: 15 + 4 = 19
4 + -4x + x2 = 19

Factor a perfect square on the left side:
(x + -2)(x + -2) = 19

Calculate the square root of the right side: 4.358898944

Break this problem into two subproblems by setting 
(x + -2) equal to 4.358898944 and -4.358898944.

Subproblem 1

x + -2 = 4.358898944 Simplifying x + -2 = 4.358898944 Reorder the terms: -2 + x = 4.358898944 Solving -2 + x = 4.358898944 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 4.358898944 + 2 Combine like terms: -2 + 2 = 0 0 + x = 4.358898944 + 2 x = 4.358898944 + 2 Combine like terms: 4.358898944 + 2 = 6.358898944 x = 6.358898944 Simplifying x = 6.358898944

Subproblem 2

x + -2 = -4.358898944 Simplifying x + -2 = -4.358898944 Reorder the terms: -2 + x = -4.358898944 Solving -2 + x = -4.358898944 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -4.358898944 + 2 Combine like terms: -2 + 2 = 0 0 + x = -4.358898944 + 2 x = -4.358898944 + 2 Combine like terms: -4.358898944 + 2 = -2.358898944 x = -2.358898944 Simplifying x = -2.358898944

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.358898944, -2.358898944}

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