Algebra II

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Simplify:

d/d^2-9 + 5/2d+6

I got as far as d/(d+3)(d-3) + 5/2(d+3) but do not know how to further simplify.

Thanks for any help given.

  • Algebra II -

    Your common denominator is 2(d+3)(d-3)

    so

    (2d + 5(d-3))/[2(d+3)(d-3)]

    = (7d-15)/[2(d+3)(d-3)], d not equal to ±3

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