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Simplifying (7a + 3)(8a2 + -2a + -4) = 0 Reorder the terms: (3 + 7a)(8a2 + -2a + -4) = 0 Reorder the terms: (3 + 7a)(-4 + -2a + 8a2) = 0 Multiply (3 + 7a) * (-4 + -2a + 8a2) (3(-4 + -2a + 8a2) + 7a * (-4 + -2a + 8a2)) = 0 ((-4 * 3 + -2a * 3 + 8a2 * 3) + 7a * (-4 + -2a + 8a2)) = 0 ((-12 + -6a + 24a2) + 7a * (-4 + -2a + 8a2)) = 0 (-12 + -6a + 24a2 + (-4 * 7a + -2a * 7a + 8a2 * 7a)) = 0 (-12 + -6a + 24a2 + (-28a + -14a2 + 56a3)) = 0 Reorder the terms: (-12 + -6a + -28a + 24a2 + -14a2 + 56a3) = 0 Combine like terms: -6a + -28a = -34a (-12 + -34a + 24a2 + -14a2 + 56a3) = 0 Combine like terms: 24a2 + -14a2 = 10a2 (-12 + -34a + 10a2 + 56a3) = 0 Solving -12 + -34a + 10a2 + 56a3 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '2'. 2(-6 + -17a + 5a2 + 28a3) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-6 + -17a + 5a2 + 28a3)' equal to zero and attempt to solve: Simplifying -6 + -17a + 5a2 + 28a3 = 0 Solving -6 + -17a + 5a2 + 28a3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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