Respuesta :

sankansm2384

Answer:

Ithink the answer is 6 hope it helps please mark as brainliest

nsiahkobina4

Answer:

a^2+3a+2

Step-by-step explanation:

(a + 1) × (a + 2)  

a x a =  a^2

a x 2 = 2a

1 x a = 1a

1 x 2 = 2

a^2 +2a+1a+2

    2a+1a =3a

a^2+3a+2

     

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