Answer:
7ab^2
Step-by-step explanation:
28ab^2-21ab^2=7ab^2
The Answer is :
I hope u get what ur looking for and I wish u give me brainlist But I know u won't cuz everyone say that . But thank you so much if u put for me and It would be a very appreciated from you and again thank you so much
I believe its right
how where is the graph cause I don't understand that
