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Simplifying (2a + 9)(8a2 + -2a + 1) = 0 Reorder the terms: (9 + 2a)(8a2 + -2a + 1) = 0 Reorder the terms: (9 + 2a)(1 + -2a + 8a2) = 0 Multiply (9 + 2a) * (1 + -2a + 8a2) (9(1 + -2a + 8a2) + 2a * (1 + -2a + 8a2)) = 0 ((1 * 9 + -2a * 9 + 8a2 * 9) + 2a * (1 + -2a + 8a2)) = 0 ((9 + -18a + 72a2) + 2a * (1 + -2a + 8a2)) = 0 (9 + -18a + 72a2 + (1 * 2a + -2a * 2a + 8a2 * 2a)) = 0 (9 + -18a + 72a2 + (2a + -4a2 + 16a3)) = 0 Reorder the terms: (9 + -18a + 2a + 72a2 + -4a2 + 16a3) = 0 Combine like terms: -18a + 2a = -16a (9 + -16a + 72a2 + -4a2 + 16a3) = 0 Combine like terms: 72a2 + -4a2 = 68a2 (9 + -16a + 68a2 + 16a3) = 0 Solving 9 + -16a + 68a2 + 16a3 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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