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Simplifying
256 + -2x2 = 0
Solving
256 + -2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-256' to each side of the equation.
256 + -256 + -2x2 = 0 + -256
Combine like terms: 256 + -256 = 0
0 + -2x2 = 0 + -256
-2x2 = 0 + -256
Combine like terms: 0 + -256 = -256
-2x2 = -256
Divide each side by '-2'.
x2 = 128
Simplifying
x2 = 128
Take the square root of each side:
x = {-11.313708499, 11.313708499}
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