albuelatia albuelatia

13-03-2017
Mathematics

contestada

find the sum 4/x^2-9+7/x+3
Can't figure it out :(

Respuesta :

melindamdrd melindamdrd

13-03-2017

-4(4x+3)(x-1)/x^2(x+3)

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clarisse0810 clarisse0810

13-03-2017

find the LCD first and then combine.
so the answer will be......

7x+25/(x+3)(x-3)

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