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Simplifying
180 = 2x2 + 128
Reorder the terms:
180 = 128 + 2x2
Solving
180 = 128 + 2x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-2x2' to each side of the equation.
180 + -2x2 = 128 + 2x2 + -2x2
Combine like terms: 2x2 + -2x2 = 0
180 + -2x2 = 128 + 0
180 + -2x2 = 128
Add '-180' to each side of the equation.
180 + -180 + -2x2 = 128 + -180
Combine like terms: 180 + -180 = 0
0 + -2x2 = 128 + -180
-2x2 = 128 + -180
Combine like terms: 128 + -180 = -52
-2x2 = -52
Divide each side by '-2'.
x2 = 26
Simplifying
x2 = 26
Take the square root of each side:
x = {-5.099019514, 5.099019514}
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