SOLUTION: I have been working on this problem for quite a wile but I cant seem to figure it out... 2a-1/2a-3 - 2a^2-5a+4/8a^2-22a+15 - 3a-2/4a-5 I know that I have to find the common d

Question 454441: I have been working on this problem for quite a wile but I cant seem to figure it out...
2a-1/2a-3 - 2a^2-5a+4/8a^2-22a+15 - 3a-2/4a-5
I know that I have to find the common denominator but i kind of get confused... Help! Thanks!! Also, can you please explain? :)
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!

:
The middle denominator will factor to

:
Obvious that the common denominator will be (2a-3)(4a-5), therefore we have

:
FOIL

:
Remove brackets, a neg changes the signs

:
Combine like terms, that gets rid of most of it, then (4a-5)'s cancel leaving:
= =

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