Greenrune113 Greenrune113
  • 24-09-2017
  • Mathematics
contestada

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

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alphabetsam
alphabetsam alphabetsam
  • 24-09-2017
This quadratic polynomial is unable to be factored, so we'll need to use the quadratic formula:
[tex]x=\frac{-b\pm \sqrt{(b^{2})-4ac}}{2a}[/tex]

Here a=2, b=4, c=1 so:
[tex]x=\frac{-4\pm \sqrt{(4^{2})-4*2*1}}{2*2}[/tex]

If you need help from there, let me know.
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