moorebrooke24 moorebrooke24
  • 23-08-2019
  • Mathematics
contestada

6(8-x)(x+4)=0 what’s the solution set?

Respuesta :

Gasaqui
Gasaqui Gasaqui
  • 23-08-2019

Answer:

[tex]x_{1} = -4\\\\x_{2} = 8[/tex]

Step-by-step explanation:

6(8-x)(x+4)=0

(48 -6x )(x+4) = 0

48x +192 -6x^2 -24x = 0

6x^2 -24x -192=0

using quadratic formula:

[tex]x =\frac{-b+-\sqrt{b^{2}-4*a*c}}{2*a}[/tex]

a= 6   b= -24  c= -192

we have:

[tex]x_{1} = -4\\\\x_{2} = 8[/tex]

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