anonymous
  • anonymous
Solve for X x^2-5x=-7 I got x^2-5x+7=0 final answer is 5/2 ± √3/2 i
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Directrix
  • Directrix
How did you get from x^2-5x+7=0 to your final answer?
anonymous
  • anonymous
5±√-25-28 _______________ 2
anonymous
  • anonymous
5±√-3 ___________ 2

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anonymous
  • anonymous
5/2 ± √3/2
anonymous
  • anonymous
and the i at the end because its an imiganiry number
Directrix
  • Directrix
5 ± i √3 ___________ 2
anonymous
  • anonymous
ah ok i was writing in a different form I was writing in a+bi form
anonymous
  • anonymous
yours is right though, this problem isnt requiring that
Directrix
  • Directrix
It's good to get in the a+bi form habit. 5/2 ± (√3/2) i Be sure that the i does not appear to be under the radical symbol because i and square root of i are not the same.
anonymous
  • anonymous
ah ok. Yea this problem isnt specifying form but Im going to do in a+bi form to prevent mistakes

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