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Simplifying 5x2 + 13x + 2 = 8 Reorder the terms: 2 + 13x + 5x2 = 8 Solving 2 + 13x + 5x2 = 8 Solving for variable 'x'. Reorder the terms: 2 + -8 + 13x + 5x2 = 8 + -8 Combine like terms: 2 + -8 = -6 -6 + 13x + 5x2 = 8 + -8 Combine like terms: 8 + -8 = 0 -6 + 13x + 5x2 = 0 Factor a trinomial. (-3 + -1x)(2 + -5x) = 0Subproblem 1
Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3Subproblem 2
Set the factor '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 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 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4Solution
x = {-3, 0.4}
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