Question

factorise 10ab + 4a + 5b + 2​

Answer 1

Answer:

Step-by-step explanation:

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

Answer 2

10ab + 4a +5b+2

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

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

a= -1/2  ,   b= -2/5