SOLUTION: x-1/x=7 find x^4-1/x^4

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Question 53318: x-1/x=7 find x^4-1/x^4
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
x - 1 = 7x
-1 = 6x
-1/6 = x
plug:
%28-1%2F6%29%5E4+-+1%2F%28-1%2F6%29%5E4
1%2F%286%2A6%2A6%2A6%29+-+6%2A6%2A6%2A6
I think you can finish.