1.4 Lösning 4b

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\( {6\,(x\,-\,2)^2 \over 3\,x\,-\,6} \) \( = \) \( {6\,(x\,-\,2)^2 \over 3 \, (x\,-\,2)} \) \( = \) \( {2\,(x\,-\,2)^2 \over (x\,-\,2)} \) \( = \; 2\,(x-2) \)