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Simplifying 20a2 + -60ab + 45b2 = 0 Reorder the terms: -60ab + 20a2 + 45b2 = 0 Solving -60ab + 20a2 + 45b2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '5'. 5(-12ab + 4a2 + 9b2) = 0 Factor a trinomial. 5((2a + -3b)(2a + -3b)) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(2a + -3b)' equal to zero and attempt to solve: Simplifying 2a + -3b = 0 Solving 2a + -3b = 0 Move all terms containing a to the left, all other terms to the right. Add '3b' to each side of the equation. 2a + -3b + 3b = 0 + 3b Combine like terms: -3b + 3b = 0 2a + 0 = 0 + 3b 2a = 0 + 3b Remove the zero: 2a = 3b Divide each side by '2'. a = 1.5b Simplifying a = 1.5bSubproblem 2
Set the factor '(2a + -3b)' equal to zero and attempt to solve: Simplifying 2a + -3b = 0 Solving 2a + -3b = 0 Move all terms containing a to the left, all other terms to the right. Add '3b' to each side of the equation. 2a + -3b + 3b = 0 + 3b Combine like terms: -3b + 3b = 0 2a + 0 = 0 + 3b 2a = 0 + 3b Remove the zero: 2a = 3b Divide each side by '2'. a = 1.5b Simplifying a = 1.5bSolution
a = {1.5b, 1.5b}
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