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# As promised! Watch

1. I, as you know, am stupid...

Factorise fully:

Zacken
2. (Original post by homeland.lsw)
I, as you know, am stupid...

Factorise fully:

Zacken
Just factor out (w + 4)^2

Cba with latex I'm too tired.

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3. (Original post by ServantOfMorgoth)
Just factor out (w + 4)^2

Cba with latex I'm too tired.

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What do you mean factor out?
Ohhhhhhhhhh...one sec
4. (Original post by homeland.lsw)
I, as you know, am stupid...

Factorise fully:

Zacken

If it helps you to see, it - why don't you set ? Then since you have:

and then back-substitute what you initially set to be.
5. (Original post by Zacken)
If it helps you to see, it - why don't you set ? Then since you have:

and then back-substitute what you initially set to be.
Erm...ok? I'll try that...
6. (Original post by homeland.lsw)
Erm...ok? I'll try that...
You know how you have you can factor that out as ? This is basically the same thing, except instead of one thing in common (x) you have a bracket in common (w+4).
7. (Original post by Zacken)
You know how you have you can factor that out as ? This is basically the same thing, except instead of one thing in common (x) you have a bracket in common (w+4).
makes sense...!
8. (Original post by homeland.lsw)
makes sense...!
You're welcome

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9. (Original post by ServantOfMorgoth)
You're welcome

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LOL

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