I cant seem to get these 2 questions right.

1) the problem:

http://www.webassign.net/cgi-bin/sym...%29%5C%29%20dx

the attempted solution:

http://i44.tinypic.com/2r41mbc.png

* I rewrote the problem as

and went from there. no dice.

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the second.

problem:

http://www.webassign.net/cgi-bin/sym...Fy%2A%2A3%20dy

the attempted solution:

I finished the division and got

then proceded as normal but the resulting answer didnt work. Any hints? thanks a bunch.