Question 243242
This is a FOIL problem where the middle terms subtract out.  Also remember that when you multiply with the same base number, you ADD exponents:


(x^8 - x^5)(x^8 + x^5)
x^16 + x^13 - x^13 - x^10
x^16 - x^10


Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus