This week in learns how to factor difference of squares.
Difference of squares is when when you have trinomial that end in a negative and every number has a square rout. You if you do have a difference of squares you should be able to chage your trinomial into a binomial. You would be able to do this the prossese of elimination showen in the ample below.
This is considered because both of thes numbers have a square root and can be simplified.