Question

Factorise:10ab+4a+5b+2

Answer 1

10ab+5b+4a+2
5b(2a+1)+2(2a+1)
(5b+2) (2a+1)

Answer 2

Answer: (5b+2)(2a+1)

Step-by-step explanation:

10ab+4a+5b+2

Then regroup to form

10ab+5b+4a+2

Then take common to form

5b(2a+1)+2(2a+1)

Then group the factors

(5b+2)(2a+1)

That’s all for the final answer