carlsJr0528 carlsJr0528
  • 25-01-2019
  • Mathematics
contestada

what is the value of k?

what is the value of k class=

Respuesta :

wintercold817thelife wintercold817thelife
  • 25-01-2019

Answer:k=42


Step-by-step explanation:

(5k−3)(9+k)

=(5k+−3)(9+k)

=(5k)(9)+(5k)(k)+(−3)(9)+(−3)(k)

=45k+5k2−27−3k

=5z2+42z−27

=42k



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