Question

$add \: a + b - 3 \: \: \: b - a + 3 \: \: a - b + 3$

Answer 1

Hey mate!

Here's your answer!

 

a+b-3b-a+3a-b+3  

= 3a - 3b + 3  

= 3(a-b+1) .... answer

 

Hope it is helpful! ​​