Multiply: (x2+2x+1)(x−1)(x^2 + 2x + 1)(x - 1)(x2+2x+1)(x−1).
x3+x2−x−1x^3 + x^2 - x - 1x3+x2−x−1
x3−1x^3 - 1x3−1
x3+x2+x−1x^3 + x^2 + x - 1x3+x2+x−1
x3−x2−x+1x^3 - x^2 - x + 1x3−x2−x+1