SOLUTION: What do I do? Please help me? Multiply, using the vertical method. (m^2 – 5mn + 3n^2)(m^2 + 4mn -2n^2)

Algebra ->  Expressions -> SOLUTION: What do I do? Please help me? Multiply, using the vertical method. (m^2 – 5mn + 3n^2)(m^2 + 4mn -2n^2)       Log On


   

Question 77228: What do I do? Please help me?
Multiply, using the vertical method.
(m^2 – 5mn + 3n^2)(m^2 + 4mn -2n^2)

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
m^2-5mn+3n^2
m^2+4mn-2n^2
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m^4-5m^3n+3m^2n^2+4m^3n-20m^2n^2+12mn^3-2m^2n^2+10mn^3-6n^4 combine like terms:
m^4-m^3n-19m^2n^2+22mn^3-6n^4