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Simplifying (4a * a * a + a + -9) + -1(8 + -9a * a * a + -9a * a) = 0 Multiply a * a (4a2 * a + a + -9) + -1(8 + -9a * a * a + -9a * a) = 0 Multiply a2 * a (4a3 + a + -9) + -1(8 + -9a * a * a + -9a * a) = 0 Reorder the terms: (-9 + a + 4a3) + -1(8 + -9a * a * a + -9a * a) = 0 Remove parenthesis around (-9 + a + 4a3) -9 + a + 4a3 + -1(8 + -9a * a * a + -9a * a) = 0 Multiply a * a -9 + a + 4a3 + -1(8 + -9a2 * a + -9a * a) = 0 Multiply a2 * a -9 + a + 4a3 + -1(8 + -9a3 + -9a * a) = 0 Multiply a * a -9 + a + 4a3 + -1(8 + -9a3 + -9a2) = 0 Reorder the terms: -9 + a + 4a3 + -1(8 + -9a2 + -9a3) = 0 -9 + a + 4a3 + (8 * -1 + -9a2 * -1 + -9a3 * -1) = 0 -9 + a + 4a3 + (-8 + 9a2 + 9a3) = 0 Reorder the terms: -9 + -8 + a + 9a2 + 4a3 + 9a3 = 0 Combine like terms: -9 + -8 = -17 -17 + a + 9a2 + 4a3 + 9a3 = 0 Combine like terms: 4a3 + 9a3 = 13a3 -17 + a + 9a2 + 13a3 = 0 Solving -17 + a + 9a2 + 13a3 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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