Simplify: \acx2+5x+4x+1\ac{x^2 + 5x + 4}{x+1}\acx2+5x+4x+1 (assume xeq−1x eq -1xeq−1).
x+4x + 4x+4
x−4x - 4x−4
x+1x + 1x+1
1