Multiply: 4x(x2+2)4x(x^2 + 2)4x(x2+2).
4x3+8x4x^3 + 8x4x3+8x
4x2+8x4x^2 + 8x4x2+8x
4x3+24x^3 + 24x3+2
x2+8xx^2 + 8xx2+8x