5x over x squared - 9 plus 2 over x + 4

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1 Answer

5x/(x2 - 9) + 2/(x+4)?

(5x(x+4)-2(x2-9))/((x2-9)(x+4))=

(5x2+20x-2x2+18)/((x2-9)(x+4))=

(3x2+20x+18)/((x2-9)(x+4))=

(3x2+20x+18)/(x3+4x2-9x-36).

by Top Rated User (1.2m points)

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