Lhatigger Lhatigger
  • 05-03-2017
  • Mathematics
contestada

Rewrite quadratic equation
-×^2+2x-10

Respuesta :

NarwhalMaster12
NarwhalMaster12 NarwhalMaster12
  • 05-03-2017
it has no solution because it is not factorable 
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socarrer
socarrer socarrer
  • 05-03-2017
x=[tex] \frac{-b+/- \sqrt{b^{2}-4ac } }{2a} [/tex]

a=-1, b=2, c=10

x=[tex] \frac{-2+/- \sqrt{4-4(-1)(10)} }{2(-1)} [/tex]

x=[tex] \frac{-2+/- \sqrt{44}}{-2} [/tex]

x=[tex] \frac{-2+/-2 \sqrt{11}}{-2} [/tex]

x=[tex]{1+/-(-1)\sqrt{11}[/tex]


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