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Simplifying (3a + -9)(4a2 + -7a + 2) = 0 Reorder the terms: (-9 + 3a)(4a2 + -7a + 2) = 0 Reorder the terms: (-9 + 3a)(2 + -7a + 4a2) = 0 Multiply (-9 + 3a) * (2 + -7a + 4a2) (-9(2 + -7a + 4a2) + 3a * (2 + -7a + 4a2)) = 0 ((2 * -9 + -7a * -9 + 4a2 * -9) + 3a * (2 + -7a + 4a2)) = 0 ((-18 + 63a + -36a2) + 3a * (2 + -7a + 4a2)) = 0 (-18 + 63a + -36a2 + (2 * 3a + -7a * 3a + 4a2 * 3a)) = 0 (-18 + 63a + -36a2 + (6a + -21a2 + 12a3)) = 0 Reorder the terms: (-18 + 63a + 6a + -36a2 + -21a2 + 12a3) = 0 Combine like terms: 63a + 6a = 69a (-18 + 69a + -36a2 + -21a2 + 12a3) = 0 Combine like terms: -36a2 + -21a2 = -57a2 (-18 + 69a + -57a2 + 12a3) = 0 Solving -18 + 69a + -57a2 + 12a3 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '3'. 3(-6 + 23a + -19a2 + 4a3) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-6 + 23a + -19a2 + 4a3)' equal to zero and attempt to solve: Simplifying -6 + 23a + -19a2 + 4a3 = 0 Solving -6 + 23a + -19a2 + 4a3 = 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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