foenem16 foenem16
  • 16-12-2021
  • Mathematics
contestada

- 2x² – 5x + 25 = 17 quadratic formula plz help

Respuesta :

theangryboomboomboy
theangryboomboomboy theangryboomboomboy
  • 16-12-2021

Answer:

The answer is 0 I'm pretty sure

Step-by-step explanation:

Answer Link
goddessboi goddessboi
  • 16-12-2021

Answer:

[tex]x=-\frac{5}{4}\pm\frac{\sqrt{89}}{4}[/tex]

Step-by-step explanation:

[tex]-2x^2-5x+25=17\\-2x^2-5x+8=0\\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\x=\frac{-(-5)\pm\sqrt{(-5)^2-4(-2)(8)}}{2(-2)}\\x=\frac{5\pm\sqrt{25+64}}{-4}\\x=\frac{5\pm\sqrt{89}}{-4}\\x=-\frac{5}{4}\pm\frac{\sqrt{89}}{4}\\[/tex]

Answer Link

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