Factorize 125x3−27y3−225x2y+135xy2
125x3−27y3−225x2y+135xy2=(5x)3−(3y)3−3×(5x)2×(3y)+3×5x×(3y)2=(5x−3y)3=(5x−3y)(5x−3y)(5x−3y)