scoobybiancaosb3sh scoobybiancaosb3sh

26-04-2020
Mathematics

contestada

Factorise fully
21a - 7a^2

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khloesmith khloesmith

26-04-2020

3a(7-a)
Have a great day!!!

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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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