Math, asked by nikadimtr2007, 2 days ago

factorise of 12a² b - 27b ? class 9th ​

Answers

Answered by shrihankp
1

Answer:

3b(2a-9)(2a+9)

Step-by-step explanation:

The highest common factor of the expression is 3b . Then, apply the difference of squares formula in the binomial factor 4a^2 - 9 = (2a)^2 - (3)^2 .

12a^2b - 27b

= 3b(4a^2 - 9)

= \boxed{3b(2a-9)(2a+9)}

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