Question

Multiply (a+1) and (a+2)​

Answer 1

Answer:

(a²+3).

Step-by-step explanation:

a+a=a².

2+1=3.

Answer 2

I think it will solve like this

Step-by-step explanation:

a(a+1)×1(a+2)

a²+a×a+2

a²+a²+2

2a²+2