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Simplifying 2x2 + 13x = 4x + 18 Reorder the terms: 13x + 2x2 = 4x + 18 Reorder the terms: 13x + 2x2 = 18 + 4x Solving 13x + 2x2 = 18 + 4x Solving for variable 'x'. Reorder the terms: -18 + 13x + -4x + 2x2 = 18 + 4x + -18 + -4x Combine like terms: 13x + -4x = 9x -18 + 9x + 2x2 = 18 + 4x + -18 + -4x Reorder the terms: -18 + 9x + 2x2 = 18 + -18 + 4x + -4x Combine like terms: 18 + -18 = 0 -18 + 9x + 2x2 = 0 + 4x + -4x -18 + 9x + 2x2 = 4x + -4x Combine like terms: 4x + -4x = 0 -18 + 9x + 2x2 = 0 Factor a trinomial. (-6 + -1x)(3 + -2x) = 0Subproblem 1
Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5Solution
x = {-6, 1.5}
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