Math, asked by aaru73, 10 months ago

factorise 3x^2-21x^y.
Plzzzz fast....​

Answers

Answered by sam468320
1

Answer:

3x(3x-7^y)

Step-by-step explanation:

(3x)^2-(21x)^y

= 9x^2 - 21x^y

= 3x(3x-7^y)

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