Math, asked by surajvicky213, 6 months ago

factories 9a2-b2+4b-4

Answers

Answered by khushikumari7267

0

Answer:

First write the question clearly..

Answered by Imblank

6

Answer:

9a²-b²+4b-4

(3a)²-(b)²+4(b-1)

(3a+b)(3a-b)+4(b-1)

(3a+b)(3a-b+4)(b-1)

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