$$\int ( x ^ { 2 } ( x + 1 ) ^ { 4 } )$$
$\frac{x^{7}}{7}+\frac{2x^{6}}{3}+\frac{6x^{5}}{5}+x^{4}+\frac{x^{3}}{3}+С$
$x^{2}\left(x+1\right)^{4}$