Question

Which of the following is an example of the difference of squares?

a. (16/9)x2 - 100
b. (16/9)x3 + 100
C. (16/9)x2 + 100
d. (16/9)x2 - 90

Answer 1

d

Explanation:

I don't know how can I explain but I'm really sure that is the answer