Question

Simplifique as expressões, reduzindo-os ao maximo
b) 3(a²+a+1)+2(a²+2a-2)-(a²+3a-3)

Answer 1

b) 3(a²+a+1)+2(a²+2a-2)-(a²+3a-3)
     3a²+3a+3+2a²+4a-4-a²-3a+3
       resposta final 4a²+2+4a