Question 228971
Another tutor provided the correct answer in decimal form. I'm going to provide an answer in the form of a fraction:
{{{343x^3=729}}}
{{{x^3 = 729/343}}}
{{{root(3, x^3) = root(3, 729/343) = root(3, 729)/root(3, 343)}}}
{{{x = 9/7}}}