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Simplifying (5a + 2d)(3a + -4b) = 0 Multiply (5a + 2d) * (3a + -4b) (5a * (3a + -4b) + 2d * (3a + -4b)) = 0 ((3a * 5a + -4b * 5a) + 2d * (3a + -4b)) = 0 Reorder the terms: ((-20ab + 15a2) + 2d * (3a + -4b)) = 0 ((-20ab + 15a2) + 2d * (3a + -4b)) = 0 (-20ab + 15a2 + (3a * 2d + -4b * 2d)) = 0 (-20ab + 15a2 + (6ad + -8bd)) = 0 Reorder the terms: (-20ab + 6ad + 15a2 + -8bd) = 0 (-20ab + 6ad + 15a2 + -8bd) = 0 Solving -20ab + 6ad + 15a2 + -8bd = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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