Problem : 
Factor x3 - y3.
(x - y)(x2 + xy + y2)
 
Problem : 
Factor x3 + y3.
(x + y)(x2 - xy + y2)
 
Problem : 
Factor 216x3 - 1.
(6x - 1)(36x2 + 6x + 1)
 
Problem : 
Factor 27x3 -512y3.
(3x - 8y)(9x2 +24xy + 64y2)
 
Problem : 
Factor 125 - x3y3.
(5 - xy)(25 + 5xy + x2y2)
 
Problem : 
Factor 125x3 +27y3.
(5x + 3y)(25x2 -15xy + 9x2)
 
Problem : 
Factor 1 + 64x3.
(1 + 4x)(1 - 4x + 16x2)
 
Problem : 
Factor x3y3 +343y3.
(xy + 7y)(x2y2 -7xy2 +49y2)
 
Problem : 
Factor 3x3 +6x2 + 5x + 10.
(3x2 + 5)(x + 2)
 
Problem : 
Factor x3 +3x2 - 4x - 12.
(x + 2)(x - 2)(x + 3)
 
Problem : 
Factor 9x3 -3x2 + 81x - 27.
3(x2 + 9)(3x - 1)
 
Problem : 
Factor 8x3 +28x2 - 18x - 63.
(2x + 7)(2x - 3)(2x + 3)
 
Problem : 
Factor 6x3 -3x2 + 2xy - y.
(3x2 + y)(2x - 1)