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01-11-2017
Mathematics

contestada

Find the value of this expression if x = -7

x squared - 1
over
x + 4

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04-11-2017

1) x^-1/(x+4)
2) x/1/(x+4)
3) -7/1/(-7+4)
4) -7/-3
5) 2 1/3

So the answer is 2 1/3

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