Question

a2+2a+1
please answer

Answer 1

(a+1)2

Its just the expanded formula of quare of (a+1)

Answer 2

Hey user

Here is your answer :-

${a}^{2} + 2 + 1 \\ \\ = ( {a}^{2}) + 2(a)(1) + {1}^{2} \\ \\ according \: to \: the \: identity \: {(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2} \\ \\ = {( a+ 1)}^{2} \\ \\ = ( a+ 1)(a + 1)$

thank you.