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Simplifying (a + -2)(a + 3) = 0 Reorder the terms: (-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 = 1a (-6 + 1a + a2) = 0 Solving -6 + 1a + a2 = 0 Solving for variable 'a'. Factor a trinomial. (-3 + -1a)(2 + -1a) = 0Subproblem 1
Set the factor '(-3 + -1a)' equal to zero and attempt to solve: Simplifying -3 + -1a = 0 Solving -3 + -1a = 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 + -1a = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1a = 0 + 3 -1a = 0 + 3 Combine like terms: 0 + 3 = 3 -1a = 3 Divide each side by '-1'. a = -3 Simplifying a = -3Subproblem 2
Set the factor '(2 + -1a)' equal to zero and attempt to solve: Simplifying 2 + -1a = 0 Solving 2 + -1a = 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 + -1a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1a = 0 + -2 -1a = 0 + -2 Combine like terms: 0 + -2 = -2 -1a = -2 Divide each side by '-1'. a = 2 Simplifying a = 2Solution
a = {-3, 2}
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