What does the following expression equal?



Show your work.



Solution to the Problem:


= 3

Let x =
Then x2 = 6 +
So x2 = 6 + x
x2 - x - 6 = 0
(x - 3) (x + 2) = 0
x = 3, -2
But x cannot be negative, so the only answer is x = 3.


Correctly solved by:

1. Dr. Hari Kishan D.N. College,
Meerut, Uttar Pradesh, India
2. Mohamed Sheriff (Meddora) Freetown, Western area, Sierra Leone, West Africa
3. Ritwik Chaudhuri Santiniketan, West Bengal, India
4. Davit Banana Istanbul, Turkey
5. Colin (Yowie) Bowey Beechworth, Victoria, Australia
6. Veena Mg Bangalore, Karnataka, India
7. Kelly Stubblefield Mobile, Alabama