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Factorise fully 21a - 7a^2
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2 votes
Factorise fully
21a - 7a^2

User Ecognium
by
6.7k points

2 Answers

7 votes

Answer:

7(3a-a^2)

Explanation:

7 divided into 21 is 3

7(3a-a^2)

User Kakkalo
by
8.0k points
2 votes
3a(7-a)
Have a great day!!!
User Sromku
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8.2k points
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