y^3-y^2+3y-3 is what im factoring
the book says the answer is (y-1)(y^2+3)
i dont know how it gets there
heres what i try to do:
(y^3-y^2)+(3y-3)
-y^2(y-1) + 3(y-1)
(y-1)(-y^2+3)
what am i doing wrong?
as usual, thanks for any help. this site really helps me out