Question

What are the answer to this ? resolve in R : 3(X+2)^2=27

Answer 1

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.

Answer 2

$3(x+2)^2=27\\ (x+2)^2=9\\ x+2=3 \vee x+2=-3\\ x=1 \vee x=-5$