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Could anyone help me with this question? And could you also provide a explanation? I would be so grateful for any help. Factorise fully 21a-7a^2
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Could anyone help me with this question? And could you also provide a explanation? I would be so grateful for any help.

Factorise fully 21a-7a^2

User Atomosk
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1 Answer

5 votes

Answer:

Explanation:

7a(3-a)

User Tdgtyugdyugdrugdr
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