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Simplifying (7a + 6)(-8a2 + 7a + -2) = 0 Reorder the terms: (6 + 7a)(-8a2 + 7a + -2) = 0 Reorder the terms: (6 + 7a)(-2 + 7a + -8a2) = 0 Multiply (6 + 7a) * (-2 + 7a + -8a2) (6(-2 + 7a + -8a2) + 7a * (-2 + 7a + -8a2)) = 0 ((-2 * 6 + 7a * 6 + -8a2 * 6) + 7a * (-2 + 7a + -8a2)) = 0 ((-12 + 42a + -48a2) + 7a * (-2 + 7a + -8a2)) = 0 (-12 + 42a + -48a2 + (-2 * 7a + 7a * 7a + -8a2 * 7a)) = 0 (-12 + 42a + -48a2 + (-14a + 49a2 + -56a3)) = 0 Reorder the terms: (-12 + 42a + -14a + -48a2 + 49a2 + -56a3) = 0 Combine like terms: 42a + -14a = 28a (-12 + 28a + -48a2 + 49a2 + -56a3) = 0 Combine like terms: -48a2 + 49a2 = 1a2 (-12 + 28a + 1a2 + -56a3) = 0 Solving -12 + 28a + 1a2 + -56a3 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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