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Simplifying (-2m2 + 9n2 + -8n) + -1((9m2 + -8m + 7n) + (-9m2) + 4n2) = 0 Reorder the terms: (-2m2 + -8n + 9n2) + -1((9m2 + -8m + 7n) + (-9m2) + 4n2) = 0 Remove parenthesis around (-2m2 + -8n + 9n2) -2m2 + -8n + 9n2 + -1((9m2 + -8m + 7n) + (-9m2) + 4n2) = 0 Reorder the terms: -2m2 + -8n + 9n2 + -1((-8m + 9m2 + 7n) + (-9m2) + 4n2) = 0 Remove parenthesis around (-8m + 9m2 + 7n) -2m2 + -8n + 9n2 + -1(-8m + 9m2 + 7n + (-9m2) + 4n2) = 0 Reorder the terms: -2m2 + -8n + 9n2 + -1(-8m + 9m2 + (-9m2) + 7n + 4n2) = 0 Combine like terms: 9m2 + (-9m2) = 0 -2m2 + -8n + 9n2 + -1(-8m + 0 + 7n + 4n2) = 0 -2m2 + -8n + 9n2 + -1(-8m + 7n + 4n2) = 0 -2m2 + -8n + 9n2 + (-8m * -1 + 7n * -1 + 4n2 * -1) = 0 -2m2 + -8n + 9n2 + (8m + -7n + -4n2) = 0 Reorder the terms: 8m + -2m2 + -8n + -7n + 9n2 + -4n2 = 0 Combine like terms: -8n + -7n = -15n 8m + -2m2 + -15n + 9n2 + -4n2 = 0 Combine like terms: 9n2 + -4n2 = 5n2 8m + -2m2 + -15n + 5n2 = 0 Solving 8m + -2m2 + -15n + 5n2 = 0 Solving for variable 'm'. The solution to this equation could not be determined.
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