abc319 abc319
  • 20-03-2020
  • Mathematics
contestada

7/4x^2 -2 = - 0.05x + 4

Respuesta :

Jacob1738
Jacob1738 Jacob1738
  • 20-03-2020

Answer:

[tex]x1=\frac{-2-2\sqrt{29401} }{245} x2=\frac{-2+2\sqrt{29401} }{245}[/tex]

Step-by-step explanation:

Step One: Convert

49/16x^2-2=-0.05x+4

Step Two: Multiply Both Sides by 80

245x^2-160=-4x+320

Step Three: Move everything to the left

245x^2+4x-480=0

Final Step: Quadratic Formula

[tex]x1=\frac{-2-2\sqrt{29401} }{245} x2=\frac{-2+2\sqrt{29401} }{245}[/tex]

Answer Link

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