SOLUTION: Two times a number plus the square of the number equals 35. Find the number.

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Question 273669: Two times a number plus the square of the number equals 35.
Find the number.
Answer by richwmiller(9135) About Me  (Show Source):
You can put this solution on YOUR website!
2n+n^2=35
n^2+2n-35=0
(n-5)(n+7)=0
n=5 and n=-7
2*5+5^2=35
10+25=35
check
-14+49=35
check