Multiply: (x+2)(x2−2x+4)(x + 2)(x^2 - 2x + 4)(x+2)(x2−2x+4).
x3−8x^3 - 8x3−8
x3+8x^3 + 8x3+8
x3−4x+8x^3 - 4x + 8x3−4x+8
x3+4x2+8x^3 + 4x^2 + 8x3+4x2+8