x^2-8=-9

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Solution for x^2-8=-9 equation:


Simplifying
x2 + -8 = -9

Reorder the terms:
-8 + x2 = -9

Solving
-8 + x2 = -9

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + x2 = -9 + 8

Combine like terms: -8 + 8 = 0
0 + x2 = -9 + 8
x2 = -9 + 8

Combine like terms: -9 + 8 = -1
x2 = -1

Simplifying
x2 = -1

Reorder the terms:
1 + x2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + x2 = 0

The solution to this equation could not be determined.

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