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Simplifying (6a + 7)(4a2 + 7a + 7) = 0 Reorder the terms: (7 + 6a)(4a2 + 7a + 7) = 0 Reorder the terms: (7 + 6a)(7 + 7a + 4a2) = 0 Multiply (7 + 6a) * (7 + 7a + 4a2) (7(7 + 7a + 4a2) + 6a * (7 + 7a + 4a2)) = 0 ((7 * 7 + 7a * 7 + 4a2 * 7) + 6a * (7 + 7a + 4a2)) = 0 ((49 + 49a + 28a2) + 6a * (7 + 7a + 4a2)) = 0 (49 + 49a + 28a2 + (7 * 6a + 7a * 6a + 4a2 * 6a)) = 0 (49 + 49a + 28a2 + (42a + 42a2 + 24a3)) = 0 Reorder the terms: (49 + 49a + 42a + 28a2 + 42a2 + 24a3) = 0 Combine like terms: 49a + 42a = 91a (49 + 91a + 28a2 + 42a2 + 24a3) = 0 Combine like terms: 28a2 + 42a2 = 70a2 (49 + 91a + 70a2 + 24a3) = 0 Solving 49 + 91a + 70a2 + 24a3 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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