SOLUTION: if a number is added to two times its square the result is thirty six
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Question 362307
:
if a number is added to two times its square the result is thirty six
Answer by
mananth(16946)
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let number be n
n+2n^2 =36
2n^2+n-36=0
2n^2+9n-8n-36=0
n(2n+9)-4(2n+9)=0
(2n+9)(n-4)=0
..
n= -9/2 OR 4
...
m.ananth@hotmail.ca