Factorize : x+y2a+b-3x-2y2a+b

Matching exercise

    
Match the items on the right to the items on the left.
Step 1
Step 2
Step 3
x+y2a+b-3x-2y2a+b=x+y-3x-2y2a+b
=x+y-3x+2y2a+b
=-2x+3y2a+b