Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 86,776

Yes, I did. It is humming to itself POTO while displaying bala sharks. The massage did not work.

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,532

Let me look at the analogue of what you are doing. When you are playing pleasant tunes and showing pleasant images, that you had to compose yourself, to your boss, that relaxes you, too?

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 86,776

It really does not matter, it still sees dots.

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,532

Do you see anything between the a and the b here:

?*Last edited by anonimnystefy (2012-08-16 03:03:49)*

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 86,776

What do you see?

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 6,395

I see this

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,532

I see the same image Bob sees. And the LaTeX code shows a(long dash)b

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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**SlowlyFading****Member**- Registered: 2012-06-12
- Posts: 149

I pretty much lost what you guys were talking about..

So, I'm just going to post a revised version of #17..

17.

Answer:

I really hope that's correct..

If it isn't would someone just tell me the correct answer?

I'm just here to get some help with an online math course I'm taking.

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 6,395

hi Slowlyfading,

Sorry but it is not correct.

It is very hard to see where you are making mistakes when you only post your answer and not all the steps in between!

original posting of question post #18

Clear the brackets:

Note all the sign changes from the second bracket.

Collect like terms:

Simplify:

Hope that helps,

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**SlowlyFading****Member**- Registered: 2012-06-12
- Posts: 149

Thanks so very much!

I'm just here to get some help with an online math course I'm taking.

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