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Simplifying
-20x2 + -4x(2) * x(-22) = 0
Reorder the terms for easier multiplication:
-20x2 + -4 * 2 * -22x * x = 0
Multiply -4 * 2
-20x2 + -8 * -22x * x = 0
Multiply -8 * -22
-20x2 + 176x * x = 0
Multiply x * x
-20x2 + 176x2 = 0
Combine like terms: -20x2 + 176x2 = 156x2
156x2 = 0
Solving
156x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '156'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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