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Simplifying (2 + a)(a + 3) = 0 Reorder the terms: (2 + a)(3 + a) = 0 Multiply (2 + a) * (3 + a) (2(3 + a) + a(3 + a)) = 0 ((3 * 2 + a * 2) + a(3 + a)) = 0 ((6 + 2a) + a(3 + a)) = 0 (6 + 2a + (3 * a + a * a)) = 0 (6 + 2a + (3a + a2)) = 0 Combine like terms: 2a + 3a = 5a (6 + 5a + a2) = 0 Solving 6 + 5a + a2 = 0 Solving for variable 'a'. Factor a trinomial. (3 + a)(2 + a) = 0Subproblem 1
Set the factor '(3 + a)' equal to zero and attempt to solve: Simplifying 3 + a = 0 Solving 3 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + a = 0 + -3 a = 0 + -3 Combine like terms: 0 + -3 = -3 a = -3 Simplifying a = -3Subproblem 2
Set the factor '(2 + a)' equal to zero and attempt to solve: Simplifying 2 + a = 0 Solving 2 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + a = 0 + -2 a = 0 + -2 Combine like terms: 0 + -2 = -2 a = -2 Simplifying a = -2Solution
a = {-3, -2}
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