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Simplifying (5x + -1)(2x + -7) = 0 Reorder the terms: (-1 + 5x)(2x + -7) = 0 Reorder the terms: (-1 + 5x)(-7 + 2x) = 0 Multiply (-1 + 5x) * (-7 + 2x) (-1(-7 + 2x) + 5x * (-7 + 2x)) = 0 ((-7 * -1 + 2x * -1) + 5x * (-7 + 2x)) = 0 ((7 + -2x) + 5x * (-7 + 2x)) = 0 (7 + -2x + (-7 * 5x + 2x * 5x)) = 0 (7 + -2x + (-35x + 10x2)) = 0 Combine like terms: -2x + -35x = -37x (7 + -37x + 10x2) = 0 Solving 7 + -37x + 10x2 = 0 Solving for variable 'x'. Factor a trinomial. (1 + -5x)(7 + -2x) = 0Subproblem 1
Set the factor '(1 + -5x)' equal to zero and attempt to solve: Simplifying 1 + -5x = 0 Solving 1 + -5x = 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 + -5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5x = 0 + -1 -5x = 0 + -1 Combine like terms: 0 + -1 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2Subproblem 2
Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5Solution
x = {0.2, 3.5}
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