-9x^2=-144

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Solution for -9x^2=-144 equation: 


Simplifying
-9x2 = -144

Solving
-9x2 = -144

Solving for variable 'x'.

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

Divide each side by '-9'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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