SOLUTION: 3 ___ y^2-3y+2 Plus 7 ____ y^2-1

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 3 ___ y^2-3y+2 Plus 7 ____ y^2-1      Log On


   

Question 32695: 3
___
y^2-3y+2
Plus
7
____
y^2-1
Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
[3/(y^2-3y+2)] + 7/(y^2-1)
= [3/(y-2)(y-1)] + 7/(y-1)(y+1)
= [3(y+1) + 7(y-2)]/(y-1)(y+1)(y-2)
= (10y-11)/(y-1)(y+1)(y-2)