Perform the division: (x3−1)÷(x−1)(x^3 - 1) \div (x - 1)(x3−1)÷(x−1). What is the quotient?
x+1x + 1x+1
x2+x+1x^2 + x + 1x2+x+1
x2−x+1x^2 - x + 1x2−x+1
x2+1x^2 + 1x2+1