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Simplifying 0 = x2 + 22x Reorder the terms: 0 = 22x + x2 Solving 0 = 22x + x2 Solving for variable 'x'. Remove the zero: -22x + -1x2 = 22x + x2 + -22x + -1x2 Reorder the terms: -22x + -1x2 = 22x + -22x + x2 + -1x2 Combine like terms: 22x + -22x = 0 -22x + -1x2 = 0 + x2 + -1x2 -22x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -22x + -1x2 = 0 Factor out the Greatest Common Factor (GCF), '-1x'. -1x(22 + x) = 0 Ignore the factor -1.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(22 + x)' equal to zero and attempt to solve: Simplifying 22 + x = 0 Solving 22 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-22' to each side of the equation. 22 + -22 + x = 0 + -22 Combine like terms: 22 + -22 = 0 0 + x = 0 + -22 x = 0 + -22 Combine like terms: 0 + -22 = -22 x = -22 Simplifying x = -22Solution
x = {0, -22}
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