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Simplifying (3x + -20)(2x + 1) = 0 Reorder the terms: (-20 + 3x)(2x + 1) = 0 Reorder the terms: (-20 + 3x)(1 + 2x) = 0 Multiply (-20 + 3x) * (1 + 2x) (-20(1 + 2x) + 3x * (1 + 2x)) = 0 ((1 * -20 + 2x * -20) + 3x * (1 + 2x)) = 0 ((-20 + -40x) + 3x * (1 + 2x)) = 0 (-20 + -40x + (1 * 3x + 2x * 3x)) = 0 (-20 + -40x + (3x + 6x2)) = 0 Combine like terms: -40x + 3x = -37x (-20 + -37x + 6x2) = 0 Solving -20 + -37x + 6x2 = 0 Solving for variable 'x'. Factor a trinomial. (-1 + -2x)(20 + -3x) = 0Subproblem 1
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 = -0.5Subproblem 2
Set the factor '(20 + -3x)' equal to zero and attempt to solve: Simplifying 20 + -3x = 0 Solving 20 + -3x = 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 + -3x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -3x = 0 + -20 -3x = 0 + -20 Combine like terms: 0 + -20 = -20 -3x = -20 Divide each side by '-3'. x = 6.666666667 Simplifying x = 6.666666667Solution
x = {-0.5, 6.666666667}
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