What is the product of -2x^3+x-5 and x^3-3x-4? (a) show your work
(b) is the product of -2x^3 +x-5 and x^3-3x-4 equal to the product of x^3 -3x-4 and -2x^3 +x-5? Explain your answer

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.