Answer:
ab + b²-ac-bc
b(a+b) -c(a+b)
(a+b) (b-c)
Step-by-step explanation:
C. (b-c)(a+b)
This i s because there is a positive b squared in the expanded equation so both brackets had to have had a positive b term in them.
(b-c)(a+b) expanded:
ab +b^2 -ac -bc
Hope this helped!
