Math, asked by vidya4820, 1 year ago

(2) 21xy - 9x + 7y - 3
Solution:

Answers

Answered by streetburner

8

Step-by-step explanation:

21xy - 9x + 7y - 3 = 21xy + 7y- 9x - 3

= 7y(3x+1)-3(3x+1)

= (3x+1)(7y-3)

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