Question

[(n+4) (n+1)] - [(n+3) n] =15(n+2) find the n if

Answer 1

Explanation:

[(n+4) (n+1)] - [(n+3) n] =15(n+2)

(n²+n+4n+4)-(n²+3n)=15n+30

n²+5n+4-n²-3n=15n+30

2n+3=15n+30

3-30=15n-2n

-27=13n

n= -27/13