-9x^2=-81

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Solution for -9x^2=-81 equation: 


Simplifying
-9x2 = -81

Solving
-9x2 = -81

Solving for variable 'x'.

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

Divide each side by '-9'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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