-9-9x^2=-198

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Solution for -9-9x^2=-198 equation: 


Simplifying
-9 + -9x2 = -198

Solving
-9 + -9x2 = -198

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -9x2 = -198 + 9

Combine like terms: -9 + 9 = 0
0 + -9x2 = -198 + 9
-9x2 = -198 + 9

Combine like terms: -198 + 9 = -189
-9x2 = -189

Divide each side by '-9'.
x2 = 21

Simplifying
x2 = 21

Take the square root of each side:
x = {-4.582575695, 4.582575695}

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