(x-8)2=-81

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Solution for (x-8)2=-81 equation:


Simplifying
(x + -8) * 2 = -81

Reorder the terms:
(-8 + x) * 2 = -81

Reorder the terms for easier multiplication:
2(-8 + x) = -81
(-8 * 2 + x * 2) = -81
(-16 + 2x) = -81

Solving
-16 + 2x = -81

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 2x = -81 + 16

Combine like terms: -16 + 16 = 0
0 + 2x = -81 + 16
2x = -81 + 16

Combine like terms: -81 + 16 = -65
2x = -65

Divide each side by '2'.
x = -32.5

Simplifying
x = -32.5

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