Divide x3+5x2+7x+3x^3 + 5x^2 + 7x + 3x3+5x2+7x+3 by (x+1)(x + 1)(x+1) using synthetic division. What is the quotient?
x2+4x+3x^2 + 4x + 3x2+4x+3
x2+6x+3x^2 + 6x + 3x2+6x+3
x2+4x−3x^2 + 4x - 3x2+4x−3
x2−4x+3x^2 - 4x + 3x2−4x+3