Question 251057
You have too many questions qrouped together.
Resubmit individually
x^3/2 - 27=0
x^(2/3)=27
raise both sides to 2/3
x^(3/2*2/3)=27^(2/3)

x^1=27^(2/3)
27(2/3)=
27(1/3)=3
then 3^2=9