10-2x^2=-40

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Solution for 10-2x^2=-40 equation: 


Simplifying
10 + -2x2 = -40

Solving
10 + -2x2 = -40

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + -2x2 = -40 + -10

Combine like terms: 10 + -10 = 0
0 + -2x2 = -40 + -10
-2x2 = -40 + -10

Combine like terms: -40 + -10 = -50
-2x2 = -50

Divide each side by '-2'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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