SOLUTION: Simplify: (4/b-b)/(2/b+1)

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Question 1022837: Simplify: (4/b-b)/(2/b+1)
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Okay, from
%28%284%2Fb%29-b%29%2F%28%282%2Fb%29%2B1%29
let's multiply top and bottom by b and get
%284+-+b%5E2%29+%2F+%282+%2B+b%29
Now factor the top and get
%28%282-b%29%282%2Bb%29%29+%2F+%282%2Bb%29
which equals
2 - b