-2x^2+18=10

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Solution for -2x^2+18=10 equation: 


Simplifying
-2x2 + 18 = 10

Reorder the terms:
18 + -2x2 = 10

Solving
18 + -2x2 = 10

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -2x2 = 10 + -18

Combine like terms: 18 + -18 = 0
0 + -2x2 = 10 + -18
-2x2 = 10 + -18

Combine like terms: 10 + -18 = -8
-2x2 = -8

Divide each side by '-2'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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