Math, asked by sunnyyy2652, 10 months ago

Factorise fully: 7a (3-a)
Please

Answers

Answered by Anonymous
13

Answer:

7a(3-a)

=> 7a×3 - 7a×a

=> 21a-7a^2

hope it helps u

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tannurao

Answered by sowsriakansha12345
1

Answer:

21a-7a^2

=7a ^2-21a^2×[7a^2+21a^2]

=a=21/7

a=3

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