Question 844580
{{{root(3,7x^7)*root(3,9x^4)=root(3,(7x^7)*(9x^4))=root(3,63x^11)=root(3,x^9*63x^2)=root(3,x^9)*root(3,63x^2)=highlight(x^3*root(3,63x^2))}}}