Question

Resolva a equação do 2° grau:
a) 9 (x+3)^2/2 = 18

Answer 1

Resposta:

9(x+3)²/2=18

9(x+3)²=18.2

(x+3)²=36/9

(x+3)²=4

x+3=√4

x+3=2

x=2-3

x=-1