(-7m^2+9n^2-6n)-[(9m^2-6m+4n)+(-9m^2)+4n^2]=

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Solution for (-7m^2+9n^2-6n)-[(9m^2-6m+4n)+(-9m^2)+4n^2]= equation:


Simplifying
(-7m2 + 9n2 + -6n) + -1[(9m2 + -6m + 4n) + (-9m2) + 4n2] = 0

Reorder the terms:
(-7m2 + -6n + 9n2) + -1[(9m2 + -6m + 4n) + (-9m2) + 4n2] = 0

Remove parenthesis around (-7m2 + -6n + 9n2)
-7m2 + -6n + 9n2 + -1[(9m2 + -6m + 4n) + (-9m2) + 4n2] = 0

Reorder the terms:
-7m2 + -6n + 9n2 + -1[(-6m + 9m2 + 4n) + (-9m2) + 4n2] = 0

Remove parenthesis around (-6m + 9m2 + 4n)
-7m2 + -6n + 9n2 + -1[-6m + 9m2 + 4n + (-9m2) + 4n2] = 0

Reorder the terms:
-7m2 + -6n + 9n2 + -1[-6m + 9m2 + (-9m2) + 4n + 4n2] = 0

Combine like terms: 9m2 + (-9m2) = 0
-7m2 + -6n + 9n2 + -1[-6m + 0 + 4n + 4n2] = 0
-7m2 + -6n + 9n2 + -1[-6m + 4n + 4n2] = 0
-7m2 + -6n + 9n2 + [-6m * -1 + 4n * -1 + 4n2 * -1] = 0
-7m2 + -6n + 9n2 + [6m + -4n + -4n2] = 0

Reorder the terms:
6m + -7m2 + -6n + -4n + 9n2 + -4n2 = 0

Combine like terms: -6n + -4n = -10n
6m + -7m2 + -10n + 9n2 + -4n2 = 0

Combine like terms: 9n2 + -4n2 = 5n2
6m + -7m2 + -10n + 5n2 = 0

Solving
6m + -7m2 + -10n + 5n2 = 0

Solving for variable 'm'.

The solution to this equation could not be determined.

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