2/x^2-9+5/3-x=3/x+3

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1 Answer

2/(x2-9)+5/(3-x)=2/((x-3)(x+3))-5/(x-3)=3/(x+3),

(1/(x-3))(2/(x+3)-5)=3/(x+3),

(1/(x-3))(2-5(x+3))/(x+3)=3/(x+3),

(1/(x-3))(2-5x-15)=3,

-13-5x=3(x-3)=3x-9,

9-13=3x+5x=8x,

-4=8x, -½=x, so x=-½.

by Top Rated User (1.2m points)

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