x^2+12x+36=(x+3)(x-2)

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Solution for x^2+12x+36=(x+3)(x-2) equation:


Simplifying
x2 + 12x + 36 = (x + 3)(x + -2)

Reorder the terms:
36 + 12x + x2 = (x + 3)(x + -2)

Reorder the terms:
36 + 12x + x2 = (3 + x)(x + -2)

Reorder the terms:
36 + 12x + x2 = (3 + x)(-2 + x)

Multiply (3 + x) * (-2 + x)
36 + 12x + x2 = (3(-2 + x) + x(-2 + x))
36 + 12x + x2 = ((-2 * 3 + x * 3) + x(-2 + x))
36 + 12x + x2 = ((-6 + 3x) + x(-2 + x))
36 + 12x + x2 = (-6 + 3x + (-2 * x + x * x))
36 + 12x + x2 = (-6 + 3x + (-2x + x2))

Combine like terms: 3x + -2x = 1x
36 + 12x + x2 = (-6 + 1x + x2)

Add '-1x2' to each side of the equation.
36 + 12x + x2 + -1x2 = -6 + 1x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
36 + 12x + 0 = -6 + 1x + x2 + -1x2
36 + 12x = -6 + 1x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
36 + 12x = -6 + 1x + 0
36 + 12x = -6 + 1x

Solving
36 + 12x = -6 + 1x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
36 + 12x + -1x = -6 + 1x + -1x

Combine like terms: 12x + -1x = 11x
36 + 11x = -6 + 1x + -1x

Combine like terms: 1x + -1x = 0
36 + 11x = -6 + 0
36 + 11x = -6

Add '-36' to each side of the equation.
36 + -36 + 11x = -6 + -36

Combine like terms: 36 + -36 = 0
0 + 11x = -6 + -36
11x = -6 + -36

Combine like terms: -6 + -36 = -42
11x = -42

Divide each side by '11'.
x = -3.818181818

Simplifying
x = -3.818181818

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