Question

What expression is equivalent to x2 - 49?
O A. (x-772
O B. (x + 7)2
O c. (x + 7)(x-7)
OD. (x + 7) (7 - x)
PLEASE HELP

Answer 1

Answer:

C.

Expla:

x²-49

x²-7²

= (x+7)(x-7)