Question 137951
2x^5/7y62 X 21y^11/5x^9
:
Assume you mean:
{{{(2x^5)/(7y^2)}}} * {{{(21y^11)/(5x^9)}}}
Cancel the x's and the y's across the * sign, cancel 7 into 21:
2*{{{(3y^9)/(5x^4)}}} = {{{(6y^9)/(5x^4)}}}