Question 71707
factor

125x^3+y^3
What you need to memorize for this is:
{{{highlight(a^3+b^3=(a+b)(a^2-ab+b^2))}}}
{{{(5x)^3+y^3}}}  a=5x and b=y so....
{{{125x^3+y^3=(5x+y)((5x)^2-(5x)(y)+(y)^2)}}}
{{{highlight(125x^3+y^3=(5x+y)(25x^2-5xy+y^2))}}}
Happy Calculating!!!!