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Simplifying
126 = x2 + -2
Reorder the terms:
126 = -2 + x2
Solving
126 = -2 + x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1x2' to each side of the equation.
126 + -1x2 = -2 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
126 + -1x2 = -2 + 0
126 + -1x2 = -2
Add '-126' to each side of the equation.
126 + -126 + -1x2 = -2 + -126
Combine like terms: 126 + -126 = 0
0 + -1x2 = -2 + -126
-1x2 = -2 + -126
Combine like terms: -2 + -126 = -128
-1x2 = -128
Divide each side by '-1'.
x2 = 128
Simplifying
x2 = 128
Take the square root of each side:
x = {-11.313708499, 11.313708499}
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