SOLUTION: i cannot figure out how to solve this problem using the horizontal method. It's (2n^2+4n+4)(4n-5). please help ! thank you !

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: i cannot figure out how to solve this problem using the horizontal method. It's (2n^2+4n+4)(4n-5). please help ! thank you !      Log On


   

Question 418352: i cannot figure out how to solve this problem using the horizontal method. It's (2n^2+4n+4)(4n-5). please help ! thank you !
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
8n^3+16n^2+16n-10n^2-20n-20
8n^3+6n^2-4n-20