-20x^2+180=0

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Solution for -20x^2+180=0 equation:


Simplifying
-20x2 + 180 = 0

Reorder the terms:
180 + -20x2 = 0

Solving
180 + -20x2 = 0

Solving for variable 'x'.

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

Add '-180' to each side of the equation.
180 + -180 + -20x2 = 0 + -180

Combine like terms: 180 + -180 = 0
0 + -20x2 = 0 + -180
-20x2 = 0 + -180

Combine like terms: 0 + -180 = -180
-20x2 = -180

Divide each side by '-20'.
x2 = 9

Simplifying
x2 = 9

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

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