(x-2)(x+2)+18=12

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Solution for (x-2)(x+2)+18=12 equation:


Simplifying
(x + -2)(x + 2) + 18 = 12

Reorder the terms:
(-2 + x)(x + 2) + 18 = 12

Reorder the terms:
(-2 + x)(2 + x) + 18 = 12

Multiply (-2 + x) * (2 + x)
(-2(2 + x) + x(2 + x)) + 18 = 12
((2 * -2 + x * -2) + x(2 + x)) + 18 = 12
((-4 + -2x) + x(2 + x)) + 18 = 12
(-4 + -2x + (2 * x + x * x)) + 18 = 12
(-4 + -2x + (2x + x2)) + 18 = 12

Combine like terms: -2x + 2x = 0
(-4 + 0 + x2) + 18 = 12
(-4 + x2) + 18 = 12

Reorder the terms:
-4 + 18 + x2 = 12

Combine like terms: -4 + 18 = 14
14 + x2 = 12

Solving
14 + x2 = 12

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + x2 = 12 + -14

Combine like terms: 14 + -14 = 0
0 + x2 = 12 + -14
x2 = 12 + -14

Combine like terms: 12 + -14 = -2
x2 = -2

Simplifying
x2 = -2

Reorder the terms:
2 + x2 = -2 + 2

Combine like terms: -2 + 2 = 0
2 + x2 = 0

The solution to this equation could not be determined.

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