9.1k views
3 votes
What is the factored form of r^27-s^3

1 Answer

3 votes
r²⁷ - s³
r²⁷ + r¹⁸s - r¹⁸s + r⁹s² - r⁹s² - s³
r²⁷ + r¹⁸s + r⁹s² - r¹⁸s - r⁹s² - s³
r⁹(r¹⁸) + r⁹(r⁹s) + r⁹(s²) - s(r¹⁸) - s(r⁹s) - s(s²)
r⁹(r¹⁸ + r⁹s + s²) - s(r¹⁸ + r⁹s + s²)
(r⁹ - s)(r¹⁸ + r⁹s + s²)
User Matteo De Felice
by
7.7k points