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Simplifying (9x + -1)(5x + 3) = 0 Reorder the terms: (-1 + 9x)(5x + 3) = 0 Reorder the terms: (-1 + 9x)(3 + 5x) = 0 Multiply (-1 + 9x) * (3 + 5x) (-1(3 + 5x) + 9x * (3 + 5x)) = 0 ((3 * -1 + 5x * -1) + 9x * (3 + 5x)) = 0 ((-3 + -5x) + 9x * (3 + 5x)) = 0 (-3 + -5x + (3 * 9x + 5x * 9x)) = 0 (-3 + -5x + (27x + 45x2)) = 0 Combine like terms: -5x + 27x = 22x (-3 + 22x + 45x2) = 0 Solving -3 + 22x + 45x2 = 0 Solving for variable 'x'. Factor a trinomial. (-3 + -5x)(1 + -9x) = 0Subproblem 1
Set the factor '(-3 + -5x)' equal to zero and attempt to solve: Simplifying -3 + -5x = 0 Solving -3 + -5x = 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 + -5x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5x = 0 + 3 -5x = 0 + 3 Combine like terms: 0 + 3 = 3 -5x = 3 Divide each side by '-5'. x = -0.6 Simplifying x = -0.6Subproblem 2
Set the factor '(1 + -9x)' equal to zero and attempt to solve: Simplifying 1 + -9x = 0 Solving 1 + -9x = 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 + -9x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -9x = 0 + -1 -9x = 0 + -1 Combine like terms: 0 + -1 = -1 -9x = -1 Divide each side by '-9'. x = 0.1111111111 Simplifying x = 0.1111111111Solution
x = {-0.6, 0.1111111111}
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