-4x^2-9=-9

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Solution for -4x^2-9=-9 equation: 


Simplifying
-4x2 + -9 = -9

Reorder the terms:
-9 + -4x2 = -9

Add '9' to each side of the equation.
-9 + 9 + -4x2 = -9 + 9

Combine like terms: -9 + 9 = 0
0 + -4x2 = -9 + 9
-4x2 = -9 + 9

Combine like terms: -9 + 9 = 0
-4x2 = 0

Solving
-4x2 = 0

Solving for variable 'x'.

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

Divide each side by '-4'.
x2 = 0

Simplifying
x2 = 0

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

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