babyblue098 babyblue098

14-06-2016
Mathematics

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simplify 4(x+5)÷x^2+2x-15

Respuesta :

27-06-2016

Cross multiply the eq. below first and got (x+5)(x-3)

4(x+5) ÷ (x+5)(x-3)

Now, you can easily cancel off the (x+5) and left with

4/(x-3)

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