Question

factorizar
M(a,b)=a2+2a+ab+b+1

Answer 1

$a^{2}+2a+ab+b+1$

$a^{2}+2a+ 1 +ab+b$

(a+1)(a+1) + b(a+1)

(a+1)[(a+1)+b ]

(a+1)(a+1+b)