Question 242782
so you have {{{sqrt(4+6t)-sqrt(1-8t)=0}}}  only it is cubed root instead of square root (I am just not sure how to get the 3 in place for the 2)  it doesn't really matter anyways because we are going to get rid of them shortly! :)
move {{{sqrt(1-8t)}}} over to the right side of the equation and you get {{{sqrt(4+6t)=sqrt(1-8t)}}}
Now cube both sides   and you get {{{4+6t=1-8t}}}  You should be able to solve it from here.

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