146-2x^2=128

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Solution for 146-2x^2=128 equation: 


Simplifying
146 + -2x2 = 128

Solving
146 + -2x2 = 128

Solving for variable 'x'.

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

Add '-146' to each side of the equation.
146 + -146 + -2x2 = 128 + -146

Combine like terms: 146 + -146 = 0
0 + -2x2 = 128 + -146
-2x2 = 128 + -146

Combine like terms: 128 + -146 = -18
-2x2 = -18

Divide each side by '-2'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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