Divide x4+2x3+3x2+2x+1x^4 + 2x^3 + 3x^2 + 2x + 1x4+2x3+3x2+2x+1 by (x2+1)(x^2 + 1)(x2+1) using polynomial division. What is the quotient?
x2+x+2x^2 + x + 2x2+x+2
x2+2x+2x^2 + 2x + 2x2+2x+2
x2+2x+1x^2 + 2x + 1x2+2x+1
x2+3x+1x^2 + 3x + 1x2+3x+1