132=(x+2)(x+6)-x(x-2)

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Solution for 132=(x+2)(x+6)-x(x-2) equation:


Simplifying
132 = (x + 2)(x + 6) + -1x(x + -2)

Reorder the terms:
132 = (2 + x)(x + 6) + -1x(x + -2)

Reorder the terms:
132 = (2 + x)(6 + x) + -1x(x + -2)

Multiply (2 + x) * (6 + x)
132 = (2(6 + x) + x(6 + x)) + -1x(x + -2)
132 = ((6 * 2 + x * 2) + x(6 + x)) + -1x(x + -2)
132 = ((12 + 2x) + x(6 + x)) + -1x(x + -2)
132 = (12 + 2x + (6 * x + x * x)) + -1x(x + -2)
132 = (12 + 2x + (6x + x2)) + -1x(x + -2)

Combine like terms: 2x + 6x = 8x
132 = (12 + 8x + x2) + -1x(x + -2)

Reorder the terms:
132 = 12 + 8x + x2 + -1x(-2 + x)
132 = 12 + 8x + x2 + (-2 * -1x + x * -1x)
132 = 12 + 8x + x2 + (2x + -1x2)

Reorder the terms:
132 = 12 + 8x + 2x + x2 + -1x2

Combine like terms: 8x + 2x = 10x
132 = 12 + 10x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
132 = 12 + 10x + 0
132 = 12 + 10x

Solving
132 = 12 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
132 + -10x = 12 + 10x + -10x

Combine like terms: 10x + -10x = 0
132 + -10x = 12 + 0
132 + -10x = 12

Add '-132' to each side of the equation.
132 + -132 + -10x = 12 + -132

Combine like terms: 132 + -132 = 0
0 + -10x = 12 + -132
-10x = 12 + -132

Combine like terms: 12 + -132 = -120
-10x = -120

Divide each side by '-10'.
x = 12

Simplifying
x = 12

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