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Simplifying 0 = -20x3 + -5x2 Reorder the terms: 0 = -5x2 + -20x3 Solving 0 = -5x2 + -20x3 Solving for variable 'x'. Remove the zero: 5x2 + 20x3 = -5x2 + -20x3 + 5x2 + 20x3 Reorder the terms: 5x2 + 20x3 = -5x2 + 5x2 + -20x3 + 20x3 Combine like terms: -5x2 + 5x2 = 0 5x2 + 20x3 = 0 + -20x3 + 20x3 5x2 + 20x3 = -20x3 + 20x3 Combine like terms: -20x3 + 20x3 = 0 5x2 + 20x3 = 0 Factor out the Greatest Common Factor (GCF), '5x2'. 5x2(1 + 4x) = 0 Ignore the factor 5.Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}Subproblem 2
Set the factor '(1 + 4x)' equal to zero and attempt to solve: Simplifying 1 + 4x = 0 Solving 1 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4x = 0 + -1 4x = 0 + -1 Combine like terms: 0 + -1 = -1 4x = -1 Divide each side by '4'. x = -0.25 Simplifying x = -0.25Solution
x = {0, -0.25}
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