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# Help with expanding watch

1. Hi, I'm a bit confused with 12(b):

I done part (a), which is:

I don't really know where to start since this expression isn't in the normal form for binomial expansion.
2. (Original post by ℓove)
Hi, I'm a bit confused with 12(b):

I done part (a), which is:

I don't really know where to start since this expression isn't in the normal form for binomial expansion.

You should be able to expand it now and then do a similar thing for the other fraction. Please post all your working if you get stuck.
3. (Original post by Notnek)

You should be able to expand it now and then do a similar thing for the other fraction. Please post all your working if you get stuck.
Oh yeahh didn’t of that.

How do I expand when there’s a constant outside the brackets?
4. (Original post by ℓove)
Oh yeahh didn’t of that.

How do I expand when there’s a constant outside the brackets?
5. (Original post by RDKGames)
Ooooohh how did I not think of that!! Thanks I appreciate you replying at 1am.

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Updated: December 12, 2017
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