(-9m^2-mn+9n^2)-(-m^2+n^20)=0

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Solution for (-9m^2-mn+9n^2)-(-m^2+n^20)=0 equation: 


Simplifying
(-9m2 + -1mn + 9n2) + -1(-1m2 + n20) = 0

Reorder the terms:
(-1mn + -9m2 + 9n2) + -1(-1m2 + n20) = 0

Remove parenthesis around (-1mn + -9m2 + 9n2)
-1mn + -9m2 + 9n2 + -1(-1m2 + n20) = 0
-1mn + -9m2 + 9n2 + (-1m2 * -1 + n20 * -1) = 0
-1mn + -9m2 + 9n2 + (1m2 + -1n20) = 0

Reorder the terms:
-1mn + -9m2 + 1m2 + 9n2 + -1n20 = 0

Combine like terms: -9m2 + 1m2 = -8m2
-1mn + -8m2 + 9n2 + -1n20 = 0

Solving
-1mn + -8m2 + 9n2 + -1n20 = 0

Solving for variable 'm'.

The solution to this equation could not be determined.

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