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Simplifying
-20x2 + -20x2 = 0
Combine like terms: -20x2 + -20x2 = -40x2
-40x2 = 0
Solving
-40x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-40'.
x2 = 0.0
Simplifying
x2 = 0.0
Take the square root of each side:
x = {0.0}
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