221.1 and .0004 are the answers.
Answer:
In the second step, the +16 should be -16
In the 3rd step, you should add 16 instead of subtracting 16
m=0

Now, we can just multiply it and obtain the result

I used law presented on this example
You just multiply top times top and bottom times bottom and then find a number you can divide into the number and you keep doing that until you can't simplify any more.