Respuesta :

3\left(X+2\right)^2=27

\frac{3\left(X+2\right)^2}{3}=\frac{27}{3}

\left(X+2\right)^2=9

Answer is 1 and -5.

[tex] 3(x+2)^2=27\\
(x+2)^2=9\\
x+2=3 \vee x+2=-3\\
x=1 \vee x=-5 [/tex]