x^2-82=-18

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Solution for x^2-82=-18 equation: 


Simplifying
x2 + -82 = -18

Reorder the terms:
-82 + x2 = -18

Solving
-82 + x2 = -18

Solving for variable 'x'.

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

Add '82' to each side of the equation.
-82 + 82 + x2 = -18 + 82

Combine like terms: -82 + 82 = 0
0 + x2 = -18 + 82
x2 = -18 + 82

Combine like terms: -18 + 82 = 64
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}

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