I need to group to factor this polynomial completely but not sure how 3a-3b-xa+xb
G Guest Guest Oct 13, 2005 #1 I need to group to factor this polynomial completely but not sure how 3a-3b-xa+xb
W wgunther New member Joined Oct 13, 2005 Messages 7 Oct 13, 2005 #2 3a-3b-xa+xb think about common factors, there's a 3 in the first set 3(a-b)-xa+xb then you can factor a -x out of the second 3(a-b)-x(a-b) then finally factor out (a-b) (3-x)(a-b)
3a-3b-xa+xb think about common factors, there's a 3 in the first set 3(a-b)-xa+xb then you can factor a -x out of the second 3(a-b)-x(a-b) then finally factor out (a-b) (3-x)(a-b)
