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Simplifying 3a2 + 5 = -8a Reorder the terms: 5 + 3a2 = -8a Solving 5 + 3a2 = -8a Solving for variable 'a'. Reorder the terms: 5 + 8a + 3a2 = -8a + 8a Combine like terms: -8a + 8a = 0 5 + 8a + 3a2 = 0 Factor a trinomial. (5 + 3a)(1 + a) = 0Subproblem 1
Set the factor '(5 + 3a)' equal to zero and attempt to solve: Simplifying 5 + 3a = 0 Solving 5 + 3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3a = 0 + -5 3a = 0 + -5 Combine like terms: 0 + -5 = -5 3a = -5 Divide each side by '3'. a = -1.666666667 Simplifying a = -1.666666667Subproblem 2
Set the factor '(1 + a)' equal to zero and attempt to solve: Simplifying 1 + a = 0 Solving 1 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + a = 0 + -1 a = 0 + -1 Combine like terms: 0 + -1 = -1 a = -1 Simplifying a = -1Solution
a = {-1.666666667, -1}
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