Question 123339
{{{(x+7)^3/2=27}}}

{{{root(3,(x+7)^3/2)=root(3,27)}}}

{{{root(3,(x+7)^3)/root(3,2)=root(3,27) }}}

{{{(x+7)/root(3,2)=3}}}

{{{x+7= 3*root(3,2)}}}

{{{x = 3*root(3,2) - 7}}}.........{{{root(3,2)=1.2599210498948732=1.26}}}

{{{x = 3(1.26)- 7}}}

{{{x = 3.78 - 7}}}

{{{x = -3.22}}}