6-3x^2=-18

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Solution for 6-3x^2=-18 equation: 


Simplifying
6 + -3x2 = -18

Solving
6 + -3x2 = -18

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -3x2 = -18 + -6

Combine like terms: 6 + -6 = 0
0 + -3x2 = -18 + -6
-3x2 = -18 + -6

Combine like terms: -18 + -6 = -24
-3x2 = -24

Divide each side by '-3'.
x2 = 8

Simplifying
x2 = 8

Take the square root of each side:
x = {-2.828427125, 2.828427125}

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