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Simplifying
-4 + -2x2 = -122
Solving
-4 + -2x2 = -122
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 = -122 + 4
Combine like terms: -4 + 4 = 0
0 + -2x2 = -122 + 4
-2x2 = -122 + 4
Combine like terms: -122 + 4 = -118
-2x2 = -118
Divide each side by '-2'.
x2 = 59
Simplifying
x2 = 59
Take the square root of each side:
x = {-7.681145748, 7.681145748}
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