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m (Created page with "<math> {x^2 - 9 \over x-3} = {(x+3)\,{\color{Red} (x-3)} \over {\color{Red} (x-3)}} = x+3 </math>")
 
m
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::<math> f(x) = {3\,x^2 + 6\,x + 12 \over x^2 - 4} = {3\,(x^2 + 2\,x + 4) \over (x + 2)\,(x - 2)} =  </math>
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<math> {x^2 - 9 \over x-3} = {(x+3)\,{\color{Red} (x-3)} \over {\color{Red} (x-3)}} = x+3 </math>
 
<math> {x^2 - 9 \over x-3} = {(x+3)\,{\color{Red} (x-3)} \over {\color{Red} (x-3)}} = x+3 </math>

Versionen från 16 juli 2014 kl. 20.27

\[ f(x) = {3\,x^2 + 6\,x + 12 \over x^2 - 4} = {3\,(x^2 + 2\,x + 4) \over (x + 2)\,(x - 2)} = \]


\( {x^2 - 9 \over x-3} = {(x+3)\,{\color{Red} (x-3)} \over {\color{Red} (x-3)}} = x+3 \)