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Simplifying -3a(a + 4b) = 0 (a * -3a + 4b * -3a) = 0 Reorder the terms: (-12ab + -3a2) = 0 (-12ab + -3a2) = 0 Solving -12ab + -3a2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '-3a'. -3a(4b + a) = 0 Ignore the factor -3.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 '(4b + a)' equal to zero and attempt to solve: Simplifying 4b + a = 0 Reorder the terms: a + 4b = 0 Solving a + 4b = 0 Move all terms containing a to the left, all other terms to the right. Add '-4b' to each side of the equation. a + 4b + -4b = 0 + -4b Combine like terms: 4b + -4b = 0 a + 0 = 0 + -4b a = 0 + -4b Remove the zero: a = -4b Simplifying a = -4bSolution
a = {0, -4b}
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