Hi,

as stated above, is there any difference between -2/(2x-3) and -(2/(2x-3))?

Thanks

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- Dec 27th 2012, 11:04 PMFailInMathsIs there any difference between -2/(2x-3) and -(2/(2x-3))?
Hi,

as stated above, is there any difference between -2/(2x-3) and -(2/(2x-3))?

Thanks - Dec 28th 2012, 12:37 AMchiroRe: Is there any difference between -2/(2x-3) and -(2/(2x-3))?
Hey FailInMaths.

There is no difference between the two expressions. - Dec 28th 2012, 05:32 AMSorobanRe: Is there any difference between -2/(2x-3) and -(2/(2x-3))?
Hello, FailInMaths!

Quote:

As*chiro*pointed out, there is no difference.

Here is a baby-talk explanation.

Consider the fraction

Since "negative divided by positive is negative": .

Consider the fraction

Since "positive divided by negative is negative": .

So we have: .

My high school math teacher explained it like this:

A fraction hassigns: .*three*

. . the sign of the numerator, the sign of the denominator, and the sign of the fraction.

We can change*any*__two__

For example: . is actually

Change any two signs: .

See?

- Dec 28th 2012, 05:41 AMSMADRe: Is there any difference between -2/(2x-3) and -(2/(2x-3))?
That's a good explanation reminds me of when I was back in 8th grade taking Algebra I.

- Dec 28th 2012, 06:53 AMFailInMathsRe: Is there any difference between -2/(2x-3) and -(2/(2x-3))?
Ic, thank you for the detailed explanation =)