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Simplifying 4x2 = 80x Solving 4x2 = 80x Solving for variable 'x'. Reorder the terms: -80x + 4x2 = 80x + -80x Combine like terms: 80x + -80x = 0 -80x + 4x2 = 0 Factor out the Greatest Common Factor (GCF), '4x'. 4x(-20 + x) = 0 Ignore the factor 4.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 '(-20 + x)' equal to zero and attempt to solve: Simplifying -20 + x = 0 Solving -20 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = 0 + 20 Combine like terms: -20 + 20 = 0 0 + x = 0 + 20 x = 0 + 20 Combine like terms: 0 + 20 = 20 x = 20 Simplifying x = 20Solution
x = {0, 20}
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