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Simplifying
-2x2 + 10 = -86
Reorder the terms:
10 + -2x2 = -86
Solving
10 + -2x2 = -86
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 = -86 + -10
Combine like terms: 10 + -10 = 0
0 + -2x2 = -86 + -10
-2x2 = -86 + -10
Combine like terms: -86 + -10 = -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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