Question

Find the two products below. Compare and contrast, in complete sentences, the similarities and differences of the two.

(x + 4)(x − 4) and (x + 4)(x + 4)

Answer 1

well \[(a+b)(a-b)=a^2-b^2\]

Answer 2

and \[(a+b)(a+b)=(a+b)^2\]

Answer 3

and in this case a=x and b=4 so you can go from there