Question

factorise 12a²b+15ab²​

Answer 1

Answer: 3ab(4a+5b)

Step-by-step explanation:

12a²b+15ab²

Take 3ab as common because 12 and 15 and divisible by 3. In a²b and ab² ab is common. So,

3ab(4a+5b) is the answer

Answer 2

Answer:

3ab ( 4a+5b )

Step-by-step explanation:

(2×2×3×a×a×b) + (3×5×a×b×b)

3ab [ ( 2×2×a) + (5×b) ]

3ab ( 4a + 5b )

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