Question 150957
Like this you mean?
{{{t^(1/3)+12-t=0}}}
 {{{ graph( 300, 300, -20, 20, -20, 20, x^(1/3)+12-x,(-x)^(1/3)+12-x) }}}
or do you mean?
{{{(t+12)^(1/3)-t=0}}}
 {{{ graph( 300, 300, -10, 10, -10, 10, (x+12)^(1/3)-x) }}}
As you can see, it makes a difference.
Please repost your question. 
Use parentheses to designate what's under the cube root.