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Simplifying x(15x + 13) = -2 Reorder the terms: x(13 + 15x) = -2 (13 * x + 15x * x) = -2 (13x + 15x2) = -2 Solving 13x + 15x2 = -2 Solving for variable 'x'. Reorder the terms: 2 + 13x + 15x2 = -2 + 2 Combine like terms: -2 + 2 = 0 2 + 13x + 15x2 = 0 Factor a trinomial. (2 + 3x)(1 + 5x) = 0Subproblem 1
Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667Subproblem 2
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 = -0.2Solution
x = {-0.6666666667, -0.2}
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