SOLUTION: Perform the indicated operation. (7y^2)/(y-1)±(-7y)/(y-1)how do you do this

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: Perform the indicated operation. (7y^2)/(y-1)±(-7y)/(y-1)how do you do this      Log On


   

Question 302212: Perform the indicated operation.
(7y^2)/(y-1)±(-7y)/(y-1)how do you do this
Answer by london maths tutor(243) About Me  (Show Source):
You can put this solution on YOUR website!
%28%287y%5E2%29%2B%28-7y%29%29%2F%28y-1%29
= %287y%5E2-7y%29%2F%28y-1%29
= %28%287y%29%28y-1%29%29%2F%28y-1%29
cancel out "y-1"
= 7y
%28%287y%5E2%29-%28-7y%29%29%2F%28y-1%29
= %287y%5E2%2B7y%29%2F%28y-1%29
= %28%287y%29%28y%2B1%29%29%2F%28y-1%29