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Simplifying (-7m2 + 8n2 + -9n) + -1[(8m2 + -9m + 4n) + (-8m2) + 4n2] = 0 Reorder the terms: (-7m2 + -9n + 8n2) + -1[(8m2 + -9m + 4n) + (-8m2) + 4n2] = 0 Remove parenthesis around (-7m2 + -9n + 8n2) -7m2 + -9n + 8n2 + -1[(8m2 + -9m + 4n) + (-8m2) + 4n2] = 0 Reorder the terms: -7m2 + -9n + 8n2 + -1[(-9m + 8m2 + 4n) + (-8m2) + 4n2] = 0 Remove parenthesis around (-9m + 8m2 + 4n) -7m2 + -9n + 8n2 + -1[-9m + 8m2 + 4n + (-8m2) + 4n2] = 0 Reorder the terms: -7m2 + -9n + 8n2 + -1[-9m + 8m2 + (-8m2) + 4n + 4n2] = 0 Combine like terms: 8m2 + (-8m2) = 0 -7m2 + -9n + 8n2 + -1[-9m + 0 + 4n + 4n2] = 0 -7m2 + -9n + 8n2 + -1[-9m + 4n + 4n2] = 0 -7m2 + -9n + 8n2 + [-9m * -1 + 4n * -1 + 4n2 * -1] = 0 -7m2 + -9n + 8n2 + [9m + -4n + -4n2] = 0 Reorder the terms: 9m + -7m2 + -9n + -4n + 8n2 + -4n2 = 0 Combine like terms: -9n + -4n = -13n 9m + -7m2 + -13n + 8n2 + -4n2 = 0 Combine like terms: 8n2 + -4n2 = 4n2 9m + -7m2 + -13n + 4n2 = 0 Solving 9m + -7m2 + -13n + 4n2 = 0 Solving for variable 'm'. The solution to this equation could not be determined.
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