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Simplifying (-7m2 + 9n2 + -7n) + -1[(9m2 + -7m + 7n) + (-9m2) + 4n2] = 0 Reorder the terms: (-7m2 + -7n + 9n2) + -1[(9m2 + -7m + 7n) + (-9m2) + 4n2] = 0 Remove parenthesis around (-7m2 + -7n + 9n2) -7m2 + -7n + 9n2 + -1[(9m2 + -7m + 7n) + (-9m2) + 4n2] = 0 Reorder the terms: -7m2 + -7n + 9n2 + -1[(-7m + 9m2 + 7n) + (-9m2) + 4n2] = 0 Remove parenthesis around (-7m + 9m2 + 7n) -7m2 + -7n + 9n2 + -1[-7m + 9m2 + 7n + (-9m2) + 4n2] = 0 Reorder the terms: -7m2 + -7n + 9n2 + -1[-7m + 9m2 + (-9m2) + 7n + 4n2] = 0 Combine like terms: 9m2 + (-9m2) = 0 -7m2 + -7n + 9n2 + -1[-7m + 0 + 7n + 4n2] = 0 -7m2 + -7n + 9n2 + -1[-7m + 7n + 4n2] = 0 -7m2 + -7n + 9n2 + [-7m * -1 + 7n * -1 + 4n2 * -1] = 0 -7m2 + -7n + 9n2 + [7m + -7n + -4n2] = 0 Reorder the terms: 7m + -7m2 + -7n + -7n + 9n2 + -4n2 = 0 Combine like terms: -7n + -7n = -14n 7m + -7m2 + -14n + 9n2 + -4n2 = 0 Combine like terms: 9n2 + -4n2 = 5n2 7m + -7m2 + -14n + 5n2 = 0 Solving 7m + -7m2 + -14n + 5n2 = 0 Solving for variable 'm'. The solution to this equation could not be determined.
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