Question 681954
{{{((125y3 + 216)/(64y3 -1))/((25y2-36)/(16y2+4y+1))}}}


{{{((5y)^3+(6)^3)/((4y)^3-(1)^3)))}}}/{{{(((5y)^2-(6)^2))/(16y^2+4y+1))}}}


{{{((5y+6)(25y^2-30y+36))/((4y-1)(16y^2+4y+1))}}}/{{{((5y+6)(5y-6))/(16y^2+4y+1))}}}

{{{(((5y+6)(25y^2-30y+36))/((4y-1)(16y^2+4y+1)))*((16y^2+4y+1)/((5y+6)(5y-6)))}}}


Cancel of the common factors


{{{(25y^2-30y+36)/((4y-1)(5y-6))}}}