SOLUTION: The sum of a number and twice its square is 35. Find the number.

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Question 1083207: The sum of a number and twice its square is 35. Find the number.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let n be the number. Then:
n+2(nē)=35
2nē+n-35=0
Using the quadratic formula, we get two roots of 3.94076365356 and -4.44076365356 as the number. ☺☺☺☺