SOLUTION: (m^2-5mn + 3n^2)(m^2+4mn - 2n^2) Please help me solve this.

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: (m^2-5mn + 3n^2)(m^2+4mn - 2n^2) Please help me solve this.      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 108507: (m^2-5mn + 3n^2)(m^2+4mn - 2n^2)
Please help me solve this.
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
(m^2-5mn + 3n^2)(m^2+4mn - 2n^2)
=======================================

m%5E4%2B4m%5E3n-2m%5E2n%5E2-5m%5E3n-20m%5E2n%5E2%2B10mn%5E3%2B3m%5E2n%5E2%2B12mn%5E3-6n%5E4
Now collect like terms;
m%5E4%2B4m%5E3n-5m%5E3n-2m%5E2n%5E2-20m%5E2n%5E2%2B3m%5E2n%5E2%2B10mn%5E3%2B12mn%5E3-6n%5E4
m%5E4-m%5E3n-19m%5E2n%5E2%2B22mn%5E3-6n%5E4
:)