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Simplifying 40a2 + 20a + -30 = -1 * 15a3 + 30 Reorder the terms: -30 + 20a + 40a2 = -1 * 15a3 + 30 Multiply -1 * 15 -30 + 20a + 40a2 = -15a3 + 30 Reorder the terms: -30 + 20a + 40a2 = 30 + -15a3 Solving -30 + 20a + 40a2 = 30 + -15a3 Solving for variable 'a'. Reorder the terms: -30 + -30 + 20a + 40a2 + 15a3 = 30 + -15a3 + -30 + 15a3 Combine like terms: -30 + -30 = -60 -60 + 20a + 40a2 + 15a3 = 30 + -15a3 + -30 + 15a3 Reorder the terms: -60 + 20a + 40a2 + 15a3 = 30 + -30 + -15a3 + 15a3 Combine like terms: 30 + -30 = 0 -60 + 20a + 40a2 + 15a3 = 0 + -15a3 + 15a3 -60 + 20a + 40a2 + 15a3 = -15a3 + 15a3 Combine like terms: -15a3 + 15a3 = 0 -60 + 20a + 40a2 + 15a3 = 0 Factor out the Greatest Common Factor (GCF), '5'. 5(-12 + 4a + 8a2 + 3a3) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(-12 + 4a + 8a2 + 3a3)' equal to zero and attempt to solve: Simplifying -12 + 4a + 8a2 + 3a3 = 0 Solving -12 + 4a + 8a2 + 3a3 = 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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