x+1/x=-1 then x3-1 ?
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Answered by
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Answer:
the correct answer is -9/8.
Step-by-step explanation:
x+1/x=-1
x+1=-x
x+x=-1
2x=-1
x=-1/2
A/q,x³-1
=(-1/2)³-1,
=-1/8-1
=-9/8...
hope it i helpful for u....
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