Seudónimo Seudónimo
  • 24-02-2021
  • Mathematics
contestada

need some help still with these 3 questions

need some help still with these 3 questions class=
need some help still with these 3 questions class=
need some help still with these 3 questions class=

Respuesta :

imen8 imen8
  • 24-02-2021

Answer:

first : x²-10x=39

{-3;13}

second : multiply both sides by 1\4

last is : {-1;5}

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