# Adding and Subtracting Rational Expressions

• May 13th 2007, 10:28 PM
thebest

2x-3 + 6x+5
x+1 x+1

and this

8 + 7
3x-5 2x+3

also this

2x+10
x-1 + 3
x+5 x-1
x2-1

• May 13th 2007, 10:40 PM
qbkr21
Re:
RE:

I can't read any of your other questions, because of the notation. It is quite messy.:cool:

-qbkr21
• May 14th 2007, 01:00 AM
Jhevon
Quote:

Originally Posted by thebest
also this

2x+10
x-1 + 3
x+5 x-1
x2-1

ok, so that makes no sense. please retype
• May 14th 2007, 06:26 PM
thebest
Here I kinda need help with this one too

x - 2
x2-4 x-2

2x+10
x-1 - 4
x+5 x+1
x2-1
• May 14th 2007, 06:31 PM
Jhevon
Quote:

Originally Posted by thebest
Here I kinda need help with this one too

x - 2
x2-4 x-2

2x+10
x-1 - 4
x+5 x+1
x2-1

your formatting method isn't working. whenever you type a lot of spaces, the forum truncates them, so it defeats the purpose. please retype your questions using parenthesis and "/" for division signs
• May 14th 2007, 06:46 PM
Jhevon
Quote:

Originally Posted by thebest
Here I kinda need help with this one too

x - 2
x2-4 x-2

Here
• May 14th 2007, 08:31 PM
thebest
r+9/4 + r-3/2

2r+6/6

I think this is right

Do the six’s cancel?
• May 14th 2007, 09:06 PM
earboth
Quote:

Originally Posted by thebest
r+9/4 + r-3/2

2r+6/6

Do the six’s cancel?

Hello,

I assume that you mean:
Code:

```r + 9  r - 3  r + 9  2(r - 3)    r+9 + 2r - 6    3r + 3 ----- + ----- = ----- + -------- = -------------- = ------   4      2      4      4            4            4```