X^2-9=-18

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Solution for X^2-9=-18 equation:


Simplifying
X2 + -9 = -18

Reorder the terms:
-9 + X2 = -18

Solving
-9 + X2 = -18

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + X2 = -18 + 9

Combine like terms: -9 + 9 = 0
0 + X2 = -18 + 9
X2 = -18 + 9

Combine like terms: -18 + 9 = -9
X2 = -9

Simplifying
X2 = -9

Reorder the terms:
9 + X2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + X2 = 0

The solution to this equation could not be determined.

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