-x^2+9=9

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


Simplifying
-1x2 + 9 = 9

Reorder the terms:
9 + -1x2 = 9

Add '-9' to each side of the equation.
9 + -9 + -1x2 = 9 + -9

Combine like terms: 9 + -9 = 0
0 + -1x2 = 9 + -9
-1x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-1x2 = 0

Solving
-1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

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