Answers

2015-08-03T16:43:57+05:30
Let 5x-1/x=a.
Therefore, it would become; 2a²-3a-2.
Now, splitting the middle term.
2a²-4a+a-2
=>2a(a-2)+1(a-2)
=>(a-2)(2a+1) are the factors.
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