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Simplifying (x + 2)(x + 13) = 0 Reorder the terms: (2 + x)(x + 13) = 0 Reorder the terms: (2 + x)(13 + x) = 0 Multiply (2 + x) * (13 + x) (2(13 + x) + x(13 + x)) = 0 ((13 * 2 + x * 2) + x(13 + x)) = 0 ((26 + 2x) + x(13 + x)) = 0 (26 + 2x + (13 * x + x * x)) = 0 (26 + 2x + (13x + x2)) = 0 Combine like terms: 2x + 13x = 15x (26 + 15x + x2) = 0 Solving 26 + 15x + x2 = 0 Solving for variable 'x'. Factor a trinomial. (13 + x)(2 + x) = 0Subproblem 1
Set the factor '(13 + x)' equal to zero and attempt to solve: Simplifying 13 + x = 0 Solving 13 + x = 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 + x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + x = 0 + -13 x = 0 + -13 Combine like terms: 0 + -13 = -13 x = -13 Simplifying x = -13Subproblem 2
Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2Solution
x = {-13, -2}
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