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Simplifying 12x2 + 13x + 1 = -2 Reorder the terms: 1 + 13x + 12x2 = -2 Solving 1 + 13x + 12x2 = -2 Solving for variable 'x'. Reorder the terms: 1 + 2 + 13x + 12x2 = -2 + 2 Combine like terms: 1 + 2 = 3 3 + 13x + 12x2 = -2 + 2 Combine like terms: -2 + 2 = 0 3 + 13x + 12x2 = 0 Factor a trinomial. (3 + 4x)(1 + 3x) = 0Subproblem 1
Set the factor '(3 + 4x)' equal to zero and attempt to solve: Simplifying 3 + 4x = 0 Solving 3 + 4x = 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 + 4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4x = 0 + -3 4x = 0 + -3 Combine like terms: 0 + -3 = -3 4x = -3 Divide each side by '4'. x = -0.75 Simplifying x = -0.75Subproblem 2
Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333Solution
x = {-0.75, -0.3333333333}
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