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Simplifying (40x3) + -1(10x2) + -5x = 0 Remove parenthesis around (10x2) (40x3) + -1 * 10x2 + -5x = 0 Multiply -1 * 10 (40x3) + -10x2 + -5x = 0 Reorder the terms: -5x + -10x2 + (40x3) = 0 Solving -5x + -10x2 + (40x3) = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '5x'. 5x(-1 + -2x + (8x2)) = 0 Factor a trinomial. 5x((-1 + -4x)(1 + -2x)) = 0 Ignore the factor 5.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 '(-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 = -0.25Subproblem 3
Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5Solution
x = {0, -0.25, 0.5}
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