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Simplifying
2x2 + -115 = 117
Reorder the terms:
-115 + 2x2 = 117
Solving
-115 + 2x2 = 117
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '115' to each side of the equation.
-115 + 115 + 2x2 = 117 + 115
Combine like terms: -115 + 115 = 0
0 + 2x2 = 117 + 115
2x2 = 117 + 115
Combine like terms: 117 + 115 = 232
2x2 = 232
Divide each side by '2'.
x2 = 116
Simplifying
x2 = 116
Take the square root of each side:
x = {-10.770329614, 10.770329614}
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