Question

What should be added to a + ab +b to obtain 2a+3ab​

Answer 1

Answer:

Step-by-step explanation:

let x should be added,

x+a+ab+b=2a+3ab

x=2a+3ab-a-ab-b

x=a+2ab-b

so, a+2ab-b should be added to a+ab+b to obtain 2a+3ab