solve x !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

3(x+3)^(3/4)=81

Answer 1

3(x+3)^(3/4)=81

Divide each side by 3

(x+3)^(3/4)=81/3

(x+3)^(3/4)=27

Using power rule

((x+3)^(3/4))^4/3=27^4/3

x+3=(3^3)^4/3

x+3=3^4

x+3=81

x=78