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Simplifying 81a2 + -216ab + 144b2 = 0 Reorder the terms: -216ab + 81a2 + 144b2 = 0 Solving -216ab + 81a2 + 144b2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '9'. 9(-24ab + 9a2 + 16b2) = 0 Factor a trinomial. 9((3a + -4b)(3a + -4b)) = 0 Ignore the factor 9.Subproblem 1
Set the factor '(3a + -4b)' equal to zero and attempt to solve: Simplifying 3a + -4b = 0 Solving 3a + -4b = 0 Move all terms containing a to the left, all other terms to the right. Add '4b' to each side of the equation. 3a + -4b + 4b = 0 + 4b Combine like terms: -4b + 4b = 0 3a + 0 = 0 + 4b 3a = 0 + 4b Remove the zero: 3a = 4b Divide each side by '3'. a = 1.333333333b Simplifying a = 1.333333333bSubproblem 2
Set the factor '(3a + -4b)' equal to zero and attempt to solve: Simplifying 3a + -4b = 0 Solving 3a + -4b = 0 Move all terms containing a to the left, all other terms to the right. Add '4b' to each side of the equation. 3a + -4b + 4b = 0 + 4b Combine like terms: -4b + 4b = 0 3a + 0 = 0 + 4b 3a = 0 + 4b Remove the zero: 3a = 4b Divide each side by '3'. a = 1.333333333b Simplifying a = 1.333333333bSolution
a = {1.333333333b, 1.333333333b}
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