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Simplifying 13a2 + -169a = 0 Reorder the terms: -169a + 13a2 = 0 Solving -169a + 13a2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '13a'. 13a(-13 + a) = 0 Ignore the factor 13.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 '(-13 + a)' equal to zero and attempt to solve: Simplifying -13 + a = 0 Solving -13 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + a = 0 + 13 Combine like terms: -13 + 13 = 0 0 + a = 0 + 13 a = 0 + 13 Combine like terms: 0 + 13 = 13 a = 13 Simplifying a = 13Solution
a = {0, 13}
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