Answer:
(x-7)(x+7)
Step-by-step explanation:
x^2 = x * x
-49 = -7 * 7
(x+7)(x-7)
This one has the standard shape of a²-b², therefore its factorization is (a+b)(a-b).
b
Evaluate the expression below when x = 4 and y = -2 *
hii your question is incomplete
can you please recheck once
there is no expression given
Answer:c
