Question: Math

(n^2 -3n-21) / (n-7)=

In Math | Asked by AnneS2
Answers

(n^2 -3n-21) / (n-7)=n+4 R. 7

 (n-7)(n+4 )

(n)(n)  (n)(4)  (-7)(n)  (-7)(4)

n^2    +4n       -7n      -28

n^2-3n-28=-(n^2-3n-28)=-n^2+3n+28

 

n^2 -3n-21

-n^2+3n+28

                 7

CherieS | 387 days ago