anonymous
  • anonymous
9x^2+3x+20=0 quadratic formula medal!!!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
x = -b (+/-) (SQRT(b^2-4*a*c)/2a)
anonymous
  • anonymous
I no that but i dont get the answer?!
anonymous
  • anonymous
(b^2-(4*a*c) is called the discriminant, as c is so large you get (9-720) which is (-711), which means no real roots. Discriminant < 0 means no real roots = 0 means 1 repeating root > 0 means two roots To get a solution you'd have to go into the realms of complex numbers

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anonymous
  • anonymous
thx

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