Thread: I need help beautifying this big ugly expression

I'm stuck on how this question can go on:

"The expression:

is equivalent to..."
I can flip the denominator of the whole fraction to multiply and factorize the y out but I can't seem to figure out a way to get past this:



The answer to the question comes out as

So I'm not sure how the first equation comes out as that ^

Originally Posted by Kataangel

I'm stuck on how this question can go on:

"The expression:

is equivalent to..."
I can flip the denominator of the whole fraction to multiply and factorize the y out but I can't seem to figure out a way to get past this:



The answer to the question comes out as

So I'm not sure how the first equation comes out as that ^

Instead of flipping, multiplying, and doing all that other rather tedious stuff, we can do it much more easily:



Let's get a common denominator in our numerator (god that sounds confusing):