Question

Please help me ! Please !

Answer 1

a

Explanation:

Answer 2

(x+11)(x-11)

Explanation:

Rewrite 121 as 11².

11²-x²

Since both terms are perfect squares, factor using the differences of squares formula, a²-b²=(a+b)(a-b) where a=11 and b=x.

(11+x)(11-x)