anonymous
  • anonymous
What are the exact solution of x^2=5x+2?
Mathematics
katieb
  • katieb
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mathteacher1729
  • mathteacher1729
How far did you get with this problem before getting stuck?
anonymous
  • anonymous
no where
anonymous
  • anonymous
x^2=5x+2; 0 = X^2-5*X-2 use the Quadratic formula: X = (-b ±√(b²-4ac))/(2a) = (5±√(25 +8))/(2) positive discriminant = 33; two real roots: X=-0.3722813232690143 and 5.372281323269014

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mathteacher1729
  • mathteacher1729
If you go to http://www.wolframalpha.com and type solve x^2=5x+2 then click "show steps" it will solve it and show you the steps.

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