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 #1
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This simplifies to (2x - 7)/(x + 3).

 Oct 13, 2022
 #2
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\( \dfrac{8x-4}{x+3} - \dfrac{12x-20}{2x+6}\\ =\dfrac{8x-4}{x+3} - \dfrac{2(6x-10)}{2(x+3)}\\ =\dfrac{8x-4-(6x-10)}{x+3} \\ =\dfrac{8x-4+[-1(6x-10)]}{x+3} \\ \)

 

 

You can take it from there, questions are welcome.

 Oct 13, 2022

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