SOLUTION: How to solve this? 2x^2+1=-5x Thank you!

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Question 389026: How to solve this?
2x^2+1=-5x
Thank you!

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
How to solve this?
2x^2+1=-5x
add 5x
2x^2+5x+1=0
...
We have to find the roots of the equation using quadratic formula.
..
x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29
a= 1, b = 5, c= 1
b^2-4ac = 17
x1=%28-5%2Bsqrt%2817%29%29%2F%284%29
x1=-0.219
x1=%28-5-sqrt%2817%29%29%2F%284%29
x2=-2.280
...
m.ananth@hotmail.ca