mrillyan
mrillyan mrillyan
  • 03-11-2017
  • Mathematics
contestada

What are the solutions of 4x2 + x = -3? (5 points) and
x2 - 7x = -12 (5 points)

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Аноним Аноним
  • 04-11-2017
4x^2 + x + 3 = 0

x =  [-1 +/- sqrt (1^2 - 4 * 4 * 3)]  / 8 =  - 1 +/- sqrt ( --47) / 8

=  ( - 1 +/- sqrt47i) / 8  =  -0.125 + 0.857i ,  -0.125 - 0.857i
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garydesir1
garydesir1 garydesir1
  • 04-11-2017
Hello there :)

Check the picture below for the answer.

Let me know if you have questions about my answer.

Best of luck!


Ver imagen garydesir1
Ver imagen garydesir1
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