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Simplifying (3a2 + -1ab + -7) + (5a2 + ab + 8) + -1(-2a2 + 3ab + -9) = 0 Reorder the terms: (-7 + -1ab + 3a2) + (5a2 + ab + 8) + -1(-2a2 + 3ab + -9) = 0 Remove parenthesis around (-7 + -1ab + 3a2) -7 + -1ab + 3a2 + (5a2 + ab + 8) + -1(-2a2 + 3ab + -9) = 0 Reorder the terms: -7 + -1ab + 3a2 + (8 + ab + 5a2) + -1(-2a2 + 3ab + -9) = 0 Remove parenthesis around (8 + ab + 5a2) -7 + -1ab + 3a2 + 8 + ab + 5a2 + -1(-2a2 + 3ab + -9) = 0 Reorder the terms: -7 + -1ab + 3a2 + 8 + ab + 5a2 + -1(-9 + 3ab + -2a2) = 0 -7 + -1ab + 3a2 + 8 + ab + 5a2 + (-9 * -1 + 3ab * -1 + -2a2 * -1) = 0 -7 + -1ab + 3a2 + 8 + ab + 5a2 + (9 + -3ab + 2a2) = 0 Reorder the terms: -7 + 8 + 9 + -1ab + ab + -3ab + 3a2 + 5a2 + 2a2 = 0 Combine like terms: -7 + 8 = 1 1 + 9 + -1ab + ab + -3ab + 3a2 + 5a2 + 2a2 = 0 Combine like terms: 1 + 9 = 10 10 + -1ab + ab + -3ab + 3a2 + 5a2 + 2a2 = 0 Combine like terms: -1ab + ab = 0 10 + 0 + -3ab + 3a2 + 5a2 + 2a2 = 0 10 + -3ab + 3a2 + 5a2 + 2a2 = 0 Combine like terms: 3a2 + 5a2 = 8a2 10 + -3ab + 8a2 + 2a2 = 0 Combine like terms: 8a2 + 2a2 = 10a2 10 + -3ab + 10a2 = 0 Solving 10 + -3ab + 10a2 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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