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Simplifying 15a + 20a3 = 0 Solving 15a + 20a3 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '5a'. 5a(3 + 4a2) = 0 Ignore the factor 5.Subproblem 1
Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0Subproblem 2
Set the factor '(3 + 4a2)' equal to zero and attempt to solve: Simplifying 3 + 4a2 = 0 Solving 3 + 4a2 = 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 + 4a2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4a2 = 0 + -3 4a2 = 0 + -3 Combine like terms: 0 + -3 = -3 4a2 = -3 Divide each side by '4'. a2 = -0.75 Simplifying a2 = -0.75 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
a = {0}
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