mimigonzalez583
mimigonzalez583 mimigonzalez583
  • 14-02-2022
  • Mathematics
contestada

i have no idea anyone have any idea

i have no idea anyone have any idea class=

Respuesta :

surjithayer surjithayer
  • 14-02-2022

Answer:

Step-by-step explanation:

it cuts x-axis where y=0 or f(x)=0

x²-3x-28=0

x²-7x+4x-28=0

x(x-7)+4(x-7)=0

(x-7)(x+4)=0

x=7,-4it will cut x-axis at (-4,0) and (7,0)

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