Question

Factorise 9a²b-9ab² using the common factor method.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

given :

Factorise 9a²b-9ab² using the common factor method.

to find :

the common factor method.

solution :

• 12a²b-9ab² + 6ab

• Apply exponent rule:

• ab² = abb, a²b = aab

• 12aab 9abb + 6ab

• Rewrite 6 as 2 - 3

• Rewrite 9 as 33

• Rewrite 12 as 4- 3

• = 4 3aab +3 3abb + 2. 3ab

• Factor out common term 3ab

• = 3ab (4a − 3b + 2)