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Simplifying 2a2 + -28a = 0 Reorder the terms: -28a + 2a2 = 0 Solving -28a + 2a2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '2a'. 2a(-14 + a) = 0 Ignore the factor 2.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 '(-14 + a)' equal to zero and attempt to solve: Simplifying -14 + a = 0 Solving -14 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + a = 0 + 14 Combine like terms: -14 + 14 = 0 0 + a = 0 + 14 a = 0 + 14 Combine like terms: 0 + 14 = 14 a = 14 Simplifying a = 14Solution
a = {0, 14}
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