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Simplifying 3x2 + x2 = 20x Combine like terms: 3x2 + x2 = 4x2 4x2 = 20x Solving 4x2 = 20x Solving for variable 'x'. Reorder the terms: -20x + 4x2 = 20x + -20x Combine like terms: 20x + -20x = 0 -20x + 4x2 = 0 Factor out the Greatest Common Factor (GCF), '4x'. 4x(-5 + 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 '(-5 + x)' equal to zero and attempt to solve: Simplifying -5 + x = 0 Solving -5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + x = 0 + 5 x = 0 + 5 Combine like terms: 0 + 5 = 5 x = 5 Simplifying x = 5Solution
x = {0, 5}
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