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Simplifying 3x2 + -1x = -15x + -15 Reorder the terms: -1x + 3x2 = -15x + -15 Reorder the terms: -1x + 3x2 = -15 + -15x Solving -1x + 3x2 = -15 + -15x Solving for variable 'x'. Reorder the terms: 15 + -1x + 15x + 3x2 = -15 + -15x + 15 + 15x Combine like terms: -1x + 15x = 14x 15 + 14x + 3x2 = -15 + -15x + 15 + 15x Reorder the terms: 15 + 14x + 3x2 = -15 + 15 + -15x + 15x Combine like terms: -15 + 15 = 0 15 + 14x + 3x2 = 0 + -15x + 15x 15 + 14x + 3x2 = -15x + 15x Combine like terms: -15x + 15x = 0 15 + 14x + 3x2 = 0 Factor a trinomial. (3 + x)(5 + 3x) = 0Subproblem 1
Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3Subproblem 2
Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667Solution
x = {-3, -1.666666667}
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