Question

Please answer the questions​

Answer 1

Answer:

(a) (2m - a + b)

I HOPE YOU UNDERSTOOD THE QUESTION!!!

Step-by-step explanation:

AS,

WE MULTIPLY,

(2m-a+b)(2m+a-b)

2m(2m+a-b)-a(2m+a-b)+b(2m+a-b)

4m²+2am-2bm-2am-a²+ab+2bm+ab-b²

4m²+ab+ab-a²-b²+2am-2am+2bm-2bm

4m²+2ab-a²-b²

I HOPE YOU UNDERSTOOD THE QUESTION!!!