ris not equal to plus or minus 2, (r squared - 5r + 6) over (r squared - 4 = ?

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r is not equal to plus or minus 2, (r squared - 5r + 6) over (r squared - 4 = ?

Guest Jul 29, 2014

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Best Answer

$$\dfrac{r^2-5r+6}{r^2-4}\qquad r\ne\pm2\\\\
=\dfrac{(r-3)(r-2)}{(r-2)(r+2)}\\\\
=\dfrac{r-3}{r+2}\\\\$$

Melody Jul 29, 2014

Melody · Answer 1 · 2014-07-29T05:37:51

$$\dfrac{r^2-5r+6}{r^2-4}\qquad r\ne\pm2\\\\
=\dfrac{(r-3)(r-2)}{(r-2)(r+2)}\\\\
=\dfrac{r-3}{r+2}\\\\$$

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