10th grade
posted by Josue .
(7+p)(8+p)

Learn the FOIL multiplication rule. You need to ba able to do this kind of algebraic manipulation on sight.
http://www.algebrahelp.com/lessons/simplifying/foilmethod/ 
56p2

7.8 and 7.p p.8 and p.p
56 + p^3 
numbers that are in de 1st brackets should multiply de exprssion on de sec brackets
7(8+p)+p(8+p) dis hw it xld b done.. find final answer