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Simplifying (a + 5)(7a2 + -5a + 1) = 0 Reorder the terms: (5 + a)(7a2 + -5a + 1) = 0 Reorder the terms: (5 + a)(1 + -5a + 7a2) = 0 Multiply (5 + a) * (1 + -5a + 7a2) (5(1 + -5a + 7a2) + a(1 + -5a + 7a2)) = 0 ((1 * 5 + -5a * 5 + 7a2 * 5) + a(1 + -5a + 7a2)) = 0 ((5 + -25a + 35a2) + a(1 + -5a + 7a2)) = 0 (5 + -25a + 35a2 + (1 * a + -5a * a + 7a2 * a)) = 0 (5 + -25a + 35a2 + (1a + -5a2 + 7a3)) = 0 Reorder the terms: (5 + -25a + 1a + 35a2 + -5a2 + 7a3) = 0 Combine like terms: -25a + 1a = -24a (5 + -24a + 35a2 + -5a2 + 7a3) = 0 Combine like terms: 35a2 + -5a2 = 30a2 (5 + -24a + 30a2 + 7a3) = 0 Solving 5 + -24a + 30a2 + 7a3 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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