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3 votes
Find all real solutions
2x² + 4x + 1 = 0

User Deserie
by
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1 Answer

4 votes
This quadratic polynomial is unable to be factored, so we'll need to use the quadratic formula:

x=\frac{-b\pm \sqrt{(b^(2))-4ac}}{2a}

Here a=2, b=4, c=1 so:

x=\frac{-4\pm \sqrt{(4^(2))-4*2*1}}{2*2}

If you need help from there, let me know.
User John Davis
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