-4-2x^2=-100

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Solution for -4-2x^2=-100 equation: 


Simplifying
-4 + -2x2 = -100

Solving
-4 + -2x2 = -100

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -2x2 = -100 + 4

Combine like terms: -4 + 4 = 0
0 + -2x2 = -100 + 4
-2x2 = -100 + 4

Combine like terms: -100 + 4 = -96
-2x2 = -96

Divide each side by '-2'.
x2 = 48

Simplifying
x2 = 48

Take the square root of each side:
x = {-6.92820323, 6.92820323}

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