# simplifying each rational expression

• Mar 31st 2008, 10:56 AM
simplifying each rational expression
Any help will be greatly appreciated, thanks in advance
1.(solved)

18y
___

9y^4

2.

4t+12
_____

t^2-9
• Mar 31st 2008, 11:04 AM
Simplicity
Quote:

Any help will be greatly appreciated, thanks in advance
1.

18y
___

9y^4

2.

4t+12
_____

t^2-16

1.)

$\frac{18y}{9y^4} = \frac{2}{y^2}$

2.)
$\frac{4t+12}{t^2-16} = \frac{4(t+3)}{(t+4)(t-4)}$ This can't be simplified.
• Mar 31st 2008, 11:07 AM
Im sorry I just made a correction it was t^2-9
• Mar 31st 2008, 11:36 AM
number 2 correct question is
4t+12
_____

t^2-9