Question

Multiply. Assume that no denominator equals zero.

Answer 1

http://static.k12.com/bank_packages/files/media/mathml_9e5d7693966c727d5111de449d165a42b837a742_1.gif

Answer 2

Okay so hopefully my drawing is legible lol.
First step is to reduce to make your life easier.
You can cancel out the "s"s.
Both numbers are divisible by 9 so the 9 reduces to a 1 and the 36 reduces to a 4.
From there you can multiply straight across, getting 5t^4/4