(-5m^2+9n^2-4n)-[(9m^2-4m+2n)+(-9m^2)+4n^2]=

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Solution for (-5m^2+9n^2-4n)-[(9m^2-4m+2n)+(-9m^2)+4n^2]= equation:


Simplifying
(-5m2 + 9n2 + -4n) + -1[(9m2 + -4m + 2n) + (-9m2) + 4n2] = 0

Reorder the terms:
(-5m2 + -4n + 9n2) + -1[(9m2 + -4m + 2n) + (-9m2) + 4n2] = 0

Remove parenthesis around (-5m2 + -4n + 9n2)
-5m2 + -4n + 9n2 + -1[(9m2 + -4m + 2n) + (-9m2) + 4n2] = 0

Reorder the terms:
-5m2 + -4n + 9n2 + -1[(-4m + 9m2 + 2n) + (-9m2) + 4n2] = 0

Remove parenthesis around (-4m + 9m2 + 2n)
-5m2 + -4n + 9n2 + -1[-4m + 9m2 + 2n + (-9m2) + 4n2] = 0

Reorder the terms:
-5m2 + -4n + 9n2 + -1[-4m + 9m2 + (-9m2) + 2n + 4n2] = 0

Combine like terms: 9m2 + (-9m2) = 0
-5m2 + -4n + 9n2 + -1[-4m + 0 + 2n + 4n2] = 0
-5m2 + -4n + 9n2 + -1[-4m + 2n + 4n2] = 0
-5m2 + -4n + 9n2 + [-4m * -1 + 2n * -1 + 4n2 * -1] = 0
-5m2 + -4n + 9n2 + [4m + -2n + -4n2] = 0

Reorder the terms:
4m + -5m2 + -4n + -2n + 9n2 + -4n2 = 0

Combine like terms: -4n + -2n = -6n
4m + -5m2 + -6n + 9n2 + -4n2 = 0

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

Solving
4m + -5m2 + -6n + 5n2 = 0

Solving for variable 'm'.

The solution to this equation could not be determined.

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