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Simplifying 2x2 + 13x + 18 = -3 Reorder the terms: 18 + 13x + 2x2 = -3 Solving 18 + 13x + 2x2 = -3 Solving for variable 'x'. Reorder the terms: 18 + 3 + 13x + 2x2 = -3 + 3 Combine like terms: 18 + 3 = 21 21 + 13x + 2x2 = -3 + 3 Combine like terms: -3 + 3 = 0 21 + 13x + 2x2 = 0 Factor a trinomial. (7 + 2x)(3 + x) = 0Subproblem 1
Set the factor '(7 + 2x)' equal to zero and attempt to solve: Simplifying 7 + 2x = 0 Solving 7 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2x = 0 + -7 2x = 0 + -7 Combine like terms: 0 + -7 = -7 2x = -7 Divide each side by '2'. x = -3.5 Simplifying x = -3.5Subproblem 2
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 = -3Solution
x = {-3.5, -3}
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