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Simplifying x(x + -81) = 0 Reorder the terms: x(-81 + x) = 0 (-81 * x + x * x) = 0 (-81x + x2) = 0 Solving -81x + x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(-81 + x) = 0Subproblem 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 '(-81 + x)' equal to zero and attempt to solve: Simplifying -81 + x = 0 Solving -81 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '81' to each side of the equation. -81 + 81 + x = 0 + 81 Combine like terms: -81 + 81 = 0 0 + x = 0 + 81 x = 0 + 81 Combine like terms: 0 + 81 = 81 x = 81 Simplifying x = 81Solution
x = {0, 81}
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