SOLUTION: Multiply using the vertical method: I tried and tried and I get so confused; (m^2-5mn+3n^2)(m^2+4mn-2n^2)

SOLUTION: Multiply using the vertical method: I tried and tried and I get so confused; (m^2-5mn+3n^2)(m^2+4mn-2n^2)

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Question 83732: Multiply using the vertical method: I tried and tried and I get so confused;
(m^2-5mn+3n^2)(m^2+4mn-2n^2)
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
m^2-5mn+3n^2
m^2+4mn-2n^2
-----------------------------------
m^4-5m^3n+3m^2n^2+4m^3n-20m^2n^2+12mn^3-2m^2n^2+10mn^3-6n^4
m^4-m^3n-19m^2n^2+22mn^3-6n^4
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