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Simplifying (a2 + -5a + 4)(2a + 4) = 0 Reorder the terms: (4 + -5a + a2)(2a + 4) = 0 Reorder the terms: (4 + -5a + a2)(4 + 2a) = 0 Multiply (4 + -5a + a2) * (4 + 2a) (4(4 + 2a) + -5a * (4 + 2a) + a2(4 + 2a)) = 0 ((4 * 4 + 2a * 4) + -5a * (4 + 2a) + a2(4 + 2a)) = 0 ((16 + 8a) + -5a * (4 + 2a) + a2(4 + 2a)) = 0 (16 + 8a + (4 * -5a + 2a * -5a) + a2(4 + 2a)) = 0 (16 + 8a + (-20a + -10a2) + a2(4 + 2a)) = 0 (16 + 8a + -20a + -10a2 + (4 * a2 + 2a * a2)) = 0 (16 + 8a + -20a + -10a2 + (4a2 + 2a3)) = 0 Combine like terms: 8a + -20a = -12a (16 + -12a + -10a2 + 4a2 + 2a3) = 0 Combine like terms: -10a2 + 4a2 = -6a2 (16 + -12a + -6a2 + 2a3) = 0 Solving 16 + -12a + -6a2 + 2a3 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '2'. 2(8 + -6a + -3a2 + a3) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(8 + -6a + -3a2 + a3)' equal to zero and attempt to solve: Simplifying 8 + -6a + -3a2 + a3 = 0 Solving 8 + -6a + -3a2 + a3 = 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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