Answer:
7(y-4)
---------
6(y+4)
Step-by-step explanation:
5y-20 7y+35
------------ * ------------
3y+15 10y +40
Factor
5(y-4) 7(y+5)
-------- * -----------
3(y+5) 10(y+4)
Cancel like terms
(y-4) 7
-------- * -----------
3 2(y+4)
7(y-4)
---------
6(y+4)
