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sue101
 3 years ago
Simplify the sum.
7/(a+8) + 7/(a^2  64)
sue101
 3 years ago
Simplify the sum. 7/(a+8) + 7/(a^2  64)

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ceb105
 3 years ago
Best ResponseYou've already chosen the best response.1Okay so notice that the bottom of the second fraction is infact the "difference of two squares" i.e. (a^264)=(x8)(x+8), then multiply the first fraction by x8 so that you have equal denominators then you may add them together simply and simplify if nessecary

ajprincess
 3 years ago
Best ResponseYou've already chosen the best response.2What is the lcm of a+8 and a^264?

lacypennelll
 3 years ago
Best ResponseYou've already chosen the best response.0You play AnimalJam?

ajprincess
 3 years ago
Best ResponseYou've already chosen the best response.2a+8=1*(a+8) a^264=(a+8)(a8)

lacypennelll
 3 years ago
Best ResponseYou've already chosen the best response.0.. Thats wha aj stands for

sue101
 3 years ago
Best ResponseYou've already chosen the best response.1oh ok so that answer i will is C or D

ajprincess
 3 years ago
Best ResponseYou've already chosen the best response.2Lcm of a+8 and a^264 is a^264 a^264=(a8)(a+8) So the common denominator is a^264 With vat expression do u need to multiply (a+8) to make it a^264?

ajprincess
 3 years ago
Best ResponseYou've already chosen the best response.2dw:1359656931020:dwdw:1359657016517:dw

sue101
 3 years ago
Best ResponseYou've already chosen the best response.1I don't have that as a mutilple choice?

ajprincess
 3 years ago
Best ResponseYou've already chosen the best response.2simplify the numerator
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