Question

What is the form of the sum of Cubes identity?
A. a^3+b^3=(a-b)(a^2+ab+b^2)
B. a^3-b^3=(a-b)(a^2+ab+b^2)
C. a^3+b^3=(a+b)(a^2-ab+b^2)
D. a^3-b^3=(a+b)(a^2+ab+b^2

Answer 1

http://www.shmoop.com/polynomial-equations/factoring-cubes.html