malainamanning malainamanning
  • 10-10-2021
  • Mathematics
contestada

-7x² - 6x +9 and 3x²-x+7

Respuesta :

Genius365
Genius365 Genius365
  • 10-10-2021

Answer:

For -7x^2 - 6x + 9: [tex]-\frac{3+6\sqrt{2} }{7}[/tex] [tex]-\frac{3-6\sqrt{2} }{7}[/tex]

For 3x^2 -x + 7: [tex]\frac{x+i\sqrt{83} }{6}[/tex] [tex]\frac{x-i\sqrt{83} }{6}[/tex]

Step-by-step explanation:

Find the zeros using the quadratic formula. Solution attatched. I apologize for poor handwriting. Also, there should be a negative sign before the answer to the first expression in the solution.

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