scoobybiancaosb3sh scoobybiancaosb3sh
  • 26-04-2020
  • Mathematics
contestada

Factorise fully
21a - 7a^2

Respuesta :

khloesmith
khloesmith khloesmith
  • 26-04-2020
3a(7-a)
Have a great day!!!
Answer Link
Аноним Аноним
  • 26-04-2020

Answer:

7(3a-a^2)

Step-by-step explanation:

7 divided into 21 is 3

7(3a-a^2)

Answer Link

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