-3-2x^2=-9

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Solution for -3-2x^2=-9 equation: 


Simplifying
-3 + -2x2 = -9

Solving
-3 + -2x2 = -9

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + -2x2 = -9 + 3

Combine like terms: -3 + 3 = 0
0 + -2x2 = -9 + 3
-2x2 = -9 + 3

Combine like terms: -9 + 3 = -6
-2x2 = -6

Divide each side by '-2'.
x2 = 3

Simplifying
x2 = 3

Take the square root of each side:
x = {-1.732050808, 1.732050808}

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