Expand: (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+4x2x^3 + 4x^2x3+4x2
x3+2x2+4x^3 + 2x^2 + 4x3+2x2+4