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Simplifying 9x2 = 81x Solving 9x2 = 81x Solving for variable 'x'. Reorder the terms: -81x + 9x2 = 81x + -81x Combine like terms: 81x + -81x = 0 -81x + 9x2 = 0 Factor out the Greatest Common Factor (GCF), '9x'. 9x(-9 + x) = 0 Ignore the factor 9.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 '(-9 + x)' equal to zero and attempt to solve: Simplifying -9 + x = 0 Solving -9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + x = 0 + 9 x = 0 + 9 Combine like terms: 0 + 9 = 9 x = 9 Simplifying x = 9Solution
x = {0, 9}
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