X^2-90=-x

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Solution for X^2-90=-x equation:


Simplifying
X2 + -90 = -1x

Reorder the terms:
-90 + X2 = -1x

Solving
-90 + X2 = -1x

Solving for variable 'X'.

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

Add '90' to each side of the equation.
-90 + 90 + X2 = 90 + -1x

Combine like terms: -90 + 90 = 0
0 + X2 = 90 + -1x
X2 = 90 + -1x

Simplifying
X2 = 90 + -1x

Reorder the terms:
-90 + X2 + x = 90 + -1x + -90 + x

Reorder the terms:
-90 + X2 + x = 90 + -90 + -1x + x

Combine like terms: 90 + -90 = 0
-90 + X2 + x = 0 + -1x + x
-90 + X2 + x = -1x + x

Combine like terms: -1x + x = 0
-90 + X2 + x = 0

The solution to this equation could not be determined.

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