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Simplifying -15x2 + -2x + 13 = 0 Reorder the terms: 13 + -2x + -15x2 = 0 Solving 13 + -2x + -15x2 = 0 Solving for variable 'x'. Factor a trinomial. (13 + -15x)(1 + x) = 0Subproblem 1
Set the factor '(13 + -15x)' equal to zero and attempt to solve: Simplifying 13 + -15x = 0 Solving 13 + -15x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -15x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -15x = 0 + -13 -15x = 0 + -13 Combine like terms: 0 + -13 = -13 -15x = -13 Divide each side by '-15'. x = 0.8666666667 Simplifying x = 0.8666666667Subproblem 2
Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1Solution
x = {0.8666666667, -1}
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