simplify expression

**blame_canada100** · May 21st 2008, 12:00 PM

(y+1)^2 over y^2 + y divided by y^2 minus 1 over y^2

**Jhevon** · May 21st 2008, 12:05 PM

Originally Posted by blame_canada100

(y+1)^2 over y^2 + y divided by y^2 minus 1 over y^2

I blame Canada!

$\frac {\frac {(y + 1)^2}{y^2 + y}}{\frac {y^2 - 1}{y^2}} = \frac {(y + 1)^2}{y^2 + y} \cdot \frac {y^2}{y^2 - 1}$

$= \frac {(y + 1)^2}{y(y + 1)} \cdot \frac {y^2}{(y + 1)(y - 1)}$

$= \frac {y^2 (y + 1)^2}{y(y + 1)^2 (y - 1)}$

$= \frac y{y - 1}$

**colby2152** · May 21st 2008, 12:10 PM

Originally Posted by Jhevon

I blame Canada!

I have nothing to add, but I wanted to mention that the OP has a great username!

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