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Simplifying
2x2 + -27 + -108 = 0
Reorder the terms:
-27 + -108 + 2x2 = 0
Combine like terms: -27 + -108 = -135
-135 + 2x2 = 0
Solving
-135 + 2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '135' to each side of the equation.
-135 + 135 + 2x2 = 0 + 135
Combine like terms: -135 + 135 = 0
0 + 2x2 = 0 + 135
2x2 = 0 + 135
Combine like terms: 0 + 135 = 135
2x2 = 135
Divide each side by '2'.
x2 = 67.5
Simplifying
x2 = 67.5
Take the square root of each side:
x = {-8.215838363, 8.215838363}
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