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Simplifying (7a3 + -2a2 + 6) + -1(7a2 + 2a + -4) = 0 Reorder the terms: (6 + -2a2 + 7a3) + -1(7a2 + 2a + -4) = 0 Remove parenthesis around (6 + -2a2 + 7a3) 6 + -2a2 + 7a3 + -1(7a2 + 2a + -4) = 0 Reorder the terms: 6 + -2a2 + 7a3 + -1(-4 + 2a + 7a2) = 0 6 + -2a2 + 7a3 + (-4 * -1 + 2a * -1 + 7a2 * -1) = 0 6 + -2a2 + 7a3 + (4 + -2a + -7a2) = 0 Reorder the terms: 6 + 4 + -2a + -2a2 + -7a2 + 7a3 = 0 Combine like terms: 6 + 4 = 10 10 + -2a + -2a2 + -7a2 + 7a3 = 0 Combine like terms: -2a2 + -7a2 = -9a2 10 + -2a + -9a2 + 7a3 = 0 Solving 10 + -2a + -9a2 + 7a3 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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