How do you factor : ab+2ab+3b

Question

Please help me

 

Answer 1

Find the common factors:

 

             b(a + 2a + 3)
   which, when combining terms is:  b(3a + 3)
                    and                           3b(a+1)

Answer 2

To factor:  ab+2ab+3b,  the common variable is b,  so muliply b by (a+2a+3)=  ab+2ab+3b

Answer 3

Take out the greatest common factor or the factor all the terms have in common

 

b(a+2b+3)