Respuesta :

Answer:

Step-by-step explanation:

2x^2-10x+7         A=1, B=-10. C=7

-(-10)±√-10^2-4(1)(7)

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2(1)

10±√100-28

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2

10±√72

-----------

2

10±8.485281374

         2

10+8.485281374 =9.24

             2

10-8.485281374 =0.76

          2

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