-3x^2+6=18

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


Simplifying
-3x2 + 6 = 18

Reorder the terms:
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 = 12
-3x2 = 12

Divide each side by '-3'.
x2 = -4

Simplifying
x2 = -4

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

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

The solution to this equation could not be determined.

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