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Simplifying (2x + -3)(5x + 9) = 0 Reorder the terms: (-3 + 2x)(5x + 9) = 0 Reorder the terms: (-3 + 2x)(9 + 5x) = 0 Multiply (-3 + 2x) * (9 + 5x) (-3(9 + 5x) + 2x * (9 + 5x)) = 0 ((9 * -3 + 5x * -3) + 2x * (9 + 5x)) = 0 ((-27 + -15x) + 2x * (9 + 5x)) = 0 (-27 + -15x + (9 * 2x + 5x * 2x)) = 0 (-27 + -15x + (18x + 10x2)) = 0 Combine like terms: -15x + 18x = 3x (-27 + 3x + 10x2) = 0 Solving -27 + 3x + 10x2 = 0 Solving for variable 'x'. Factor a trinomial. (-9 + -5x)(3 + -2x) = 0Subproblem 1
Set the factor '(-9 + -5x)' equal to zero and attempt to solve: Simplifying -9 + -5x = 0 Solving -9 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -5x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -5x = 0 + 9 -5x = 0 + 9 Combine like terms: 0 + 9 = 9 -5x = 9 Divide each side by '-5'. x = -1.8 Simplifying x = -1.8Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5Solution
x = {-1.8, 1.5}
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