SOLUTION: The number is just twice the sum of the squares of its digits. What is that three digit number.?

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Question 931330: The number is just twice the sum of the squares of its digits.
What is that three digit number.?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The number is just twice the sum of the squares of its digits.
What is that three digit number.?
:
It's 298, but I don't know how you would solve this with basic algebra
100a + 10b + c = 2(a^2 + b^2 + c^2)
3 unknowns 1 equation!!