420,682 views
14 votes
14 votes
3. Find the products.
a) (a? + 4) (a? – 4)​

User Yoichiro Tanaka
by
2.7k points

1 Answer

26 votes
26 votes

Answer:

a^2-16

Explanation:

you just a.a+a.-4+4.a+4.-4=a^2-16

User Sparrowt
by
2.6k points