SOLUTION: simplify: d/(d^2)-9)+5/2d+6
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Question 44950
:
simplify:
d/(d^2)-9)+5/2d+6
Answer by
stanbon(75887)
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d/(d^2)-9)+5/2d+6
d/[(d-3)(d+3)]+ 5/[2[(d+3)]
LCD=(d-3)(d+3)
d/LCD + 5(d-3)/LCD
Add the numerators to get:
[d+5d-15]/LCD
[6d-15]/[(d-3)(d+3)]
Cheers,
Stan H.