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Simplifying 4a2 + 8a2 + -7a = 0 Reorder the terms: -7a + 4a2 + 8a2 = 0 Combine like terms: 4a2 + 8a2 = 12a2 -7a + 12a2 = 0 Solving -7a + 12a2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), 'a'. a(-7 + 12a) = 0Subproblem 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 '(-7 + 12a)' equal to zero and attempt to solve: Simplifying -7 + 12a = 0 Solving -7 + 12a = 0 Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 12a = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 12a = 0 + 7 12a = 0 + 7 Combine like terms: 0 + 7 = 7 12a = 7 Divide each side by '12'. a = 0.5833333333 Simplifying a = 0.5833333333Solution
a = {0, 0.5833333333}
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