arooja
arooja arooja
  • 20-01-2021
  • Mathematics
contestada

please help me in this question​

please help me in this question class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 20-01-2021

Answer:

  • m= 4

Step-by-step explanation:

  • (-5)^(m + 3) × (-5)^8 = (-5)^15
  • (-5)^(m + 3 + 8) = (-5)^15
  • (-5)^(m + 11) = (-5)^15
  • m + 11 = 15
  • m = 4
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