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baabaagreysheep
9b - 12b² factorised would be 3b(3 - 4b).

You can find this as you must first find a common factor between 9b and -12b², which would be 3b. We can then take this out of the bracket and divide both terms by 3b to get the final answer, which leaves us with 3b(3 - 4b).

I hope this helps!
smmwaite

Answer


3b(3 - 4b)


Explanation

9b - 12b²

To factorize, you factor out what is common in both terms.

First, b is common in both terms. factor it out

9b - 12b² = b(9 - 12b)


3 is also common. factoring out we have,

9b - 12b² = b(9 - 12b)

= 3b(3 - 4b)

There no been any other factor, the answer is 3b(3 - 4b)

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