castilloesperanza399
castilloesperanza399 castilloesperanza399
  • 15-09-2021
  • Mathematics
contestada

evaluate the expression when x=-5
x²+6x-9​

Respuesta :

aniilsah555
aniilsah555 aniilsah555
  • 19-09-2021

Step-by-step explanation:

  • x²+6x-9

When x= -5, then

  • (-5)²+6×(-5)-9
  • 25-30-9
  • 25-39
  • -14
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