Would anyone be kind enough to help me with my math homework?

**GoldenSimmer** · May 13th 2009, 05:30 PM

Would anyone care to explain steps to these rational equations. (Please include the answers)

1) http://i43.tinypic.com/6z8xnl.jpg

2) http://i42.tinypic.com/14y02za.jpg

I would really like to know how to do these. I know it is alot of steps.

**yeongil** · May 13th 2009, 06:33 PM

You state that these are equations, but I don't see equal signs on either pic. Or did you need to simplify the rational expressions?

01

**A Beautiful Mind** · May 13th 2009, 08:10 PM

I'm pretty sure it's just finding the domain.

1.
$10/x+2$
$x\neq -2$
$( -\infty, -2) \bigcup (-2, \infty)$

$9/x^2-4$
$x\neq 2, x\neq -2$
$(- \infty, -2) \bigcup (-2,2) \bigcup (2, \infty)$

2.
$x+3/x^2-9 - 5$
$x\neq 3, x\neq -3$
$(- \infty, -3) \bigcup (-3,3) \bigcup (3, \infty)$

$6/x-3$
$x\neq 3$
$(- \infty, 3) \bigcup (3, \infty)$

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