jazzminrochelle02 jazzminrochelle02
  • 20-05-2020
  • Mathematics
contestada

b^2- 4b – 14 = -2
In quadratic formula

Respuesta :

millosrpt
millosrpt millosrpt
  • 20-05-2020

Answer:b=6 or b=−2

Step-by-step explanation:

Answer Link
surjithayer10 surjithayer10
  • 20-05-2020

Answer:

b

Step-by-step explanation:

b²-4b-14=-2

b²-4b-12=0

[tex]b=\frac{4\pm\sqrt{(-4)^2-4*1*-12} }{2*1} \\=\frac{4\pm\sqrt{16+48} }{2} \\=\frac{4\pm\sqrt{64} }{2} \\=\frac{4 \pm 8}{2} \\=2 \pm 4\\=2+4,2-4\\=6,-2[/tex]

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