# SOLUTION: I think I am in the right section. I'm doing practice problems but I don't have an answer key to know if I am going in the right direction 23. Multiply. n^2-n-20 n^2+5

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 Click here to see ALL problems on Polynomials-and-rational-expressions Question 62788This question is from textbook Beginning Algebra : I think I am in the right section. I'm doing practice problems but I don't have an answer key to know if I am going in the right direction 23. Multiply. n^2-n-20 n^2+5n -------- * ------ 2n^2 n^2-25 I did this thus far but I know it is incorrect. (n+4)(n-5) n(n+5) --------- * ------ 2n^2 n-5)(n-5) This just doesn't look right. This question is from textbook Beginning Algebra Answer by 303795(602)   (Show Source): You can put this solution on YOUR website! I did this thus far but I know it is incorrect. (n+4)(n-5) n(n+5) --------- * ------ 2n^2 (n-5)(n-5) This just doesn't look right. You are certainly on the right track so I won't finish it off. Your error is that n^2-25 factorises as (n-5)(n+5). Fix that and you should be able to complete the rest without difficulties.