MikeVRomero MikeVRomero
  • 15-11-2019
  • Mathematics
contestada

What is (5k-3) (9+k) ?

Respuesta :

emily200471lopez
emily200471lopez emily200471lopez
  • 15-11-2019

Answer:

5k2+42k−27

Step-by-step explanation:

(5k−3)(9+k)

=(5k+−3)(9+k)

=(5k)(9)+(5k)(k)+(−3)(9)+(−3)(k)

=45k+5k2−27−3k

5k2+42k−27

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