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

You are not logged in.

- Topics: Active | Unanswered

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,402

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.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,000

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

The knowledge of some things as a function of age is a delta function.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,402

It really does not matter, it still sees dots.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,000

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

The knowledge of some things as a function of age is a delta function.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,402

What do you see?

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

Offline

**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,503

I see this

Bob

Children are not defined by school ...........The Fonz

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

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,000

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

The knowledge of some things as a function of age is a delta function.

Offline

**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.

Offline

**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,503

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

Children are not defined by school ...........The Fonz

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

Offline

**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.

Offline