Frequent Questions about our Solver
How you get the (x-y) (x+y+1)
Answer provided by our tutors
(x-y) is the common factor [it can be expressed as "x-y" or "-y+x"]. Since x-y has been factored out, that leaves a "+1" in the parentheses since that identifies the factored out (-y+x).
Clicking on a particular solution step allows you to quickly review the logic which was applied.
|← Previous Problem||Next Problem →|