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Simplifying 0 = 2x(x + 11) Reorder the terms: 0 = 2x(11 + x) 0 = (11 * 2x + x * 2x) 0 = (22x + 2x2) Solving 0 = 22x + 2x2 Solving for variable 'x'. Remove the zero: -22x + -2x2 = 22x + 2x2 + -22x + -2x2 Reorder the terms: -22x + -2x2 = 22x + -22x + 2x2 + -2x2 Combine like terms: 22x + -22x = 0 -22x + -2x2 = 0 + 2x2 + -2x2 -22x + -2x2 = 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -22x + -2x2 = 0 Factor out the Greatest Common Factor (GCF), '-2x'. -2x(11 + x) = 0 Ignore the factor -2.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 '(11 + x)' equal to zero and attempt to solve: Simplifying 11 + x = 0 Solving 11 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + x = 0 + -11 x = 0 + -11 Combine like terms: 0 + -11 = -11 x = -11 Simplifying x = -11Solution
x = {0, -11}
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