=18+(x-4)2-4

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Solution for =18+(x-4)2-4 equation: 


Simplifying
0 = 18 + (x + -4) * 2 + -4

Reorder the terms:
0 = 18 + (-4 + x) * 2 + -4

Reorder the terms for easier multiplication:
0 = 18 + 2(-4 + x) + -4
0 = 18 + (-4 * 2 + x * 2) + -4
0 = 18 + (-8 + 2x) + -4

Reorder the terms:
0 = 18 + -8 + -4 + 2x

Combine like terms: 18 + -8 = 10
0 = 10 + -4 + 2x

Combine like terms: 10 + -4 = 6
0 = 6 + 2x

Solving
0 = 6 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
0 + -2x = 6 + 2x + -2x
Remove the zero:
-2x = 6 + 2x + -2x

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

Divide each side by '-2'.
x = -3

Simplifying
x = -3

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