Question

1. The factorisation of 12a2b+15ab2 gives:

A. 3ab(4ab+5)

B. 3ab(4a+5b)

C. 3a(4a+5b)

D. 3b(4a + 5b)​

Answer 1

Answer:

C

Step-by-step explanation:

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

Answer 2

Answer:

B. 3ab(4a+5b)

Step-by-step explanation:

$12 {a}^{2} b + 15a {b}^{2} \\ = 3ab(4 a+ 5b)$

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