128-2x^2=0

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Solution for 128-2x^2=0 equation: 


Simplifying
128 + -2x2 = 0

Solving
128 + -2x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-128' to each side of the equation.
128 + -128 + -2x2 = 0 + -128

Combine like terms: 128 + -128 = 0
0 + -2x2 = 0 + -128
-2x2 = 0 + -128

Combine like terms: 0 + -128 = -128
-2x2 = -128

Divide each side by '-2'.
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}

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