Question

Fatore as expressões a²+ba+2a+2b

Answer 1

fatorando 
$a^{2}$ +ba +2a + 2b
⇒(a + 2) . (b + a)

$comprovando}$

(a + 2) . ( b +a)
ab + $a^{2}$ + 2b + 2a
$a^{2}$  + ba +2a +2b