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Simplifying 40a2 + -5a = 0 Reorder the terms: -5a + 40a2 = 0 Solving -5a + 40a2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '5a'. 5a(-1 + 8a) = 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 '(-1 + 8a)' equal to zero and attempt to solve: Simplifying -1 + 8a = 0 Solving -1 + 8a = 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 + 8a = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 8a = 0 + 1 8a = 0 + 1 Combine like terms: 0 + 1 = 1 8a = 1 Divide each side by '8'. a = 0.125 Simplifying a = 0.125Solution
a = {0, 0.125}
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