Question

(4+x)(4-x) if necessary combine in like term

Answer 1

16-x^2 (^2 means to the second power btw)

Answer 2

16 -x^2

Explanation:

(4+x) (4-x)

We recognize that this is

(a+b)(a-b) and it is equal to (a^2-b^2)

4^2 - x^2

16 -x^2