SOLUTION: Solve for W, answer in interval notation: w^2+1/w+7 < or = 1/w+7 I came up with w=0 or (-infinity,-7]

Question 268497: Solve for W, answer in interval notation: w^2+1/w+7 < or = 1/w+7
I came up with w=0 or (-infinity,-7]
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You're close, but remember that you CANNOT divide by zero. So which means that . This means that you should have

. Notice the parenthesis after the -7.
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