Chọn câu đúng A. x(x + 1)4 + x(x + 1)3 + x(x + 1)2 + (x

A. $x{(x + 1)}^4 + x{(x + 1)}^3 + x{(x + 1)}^2 + {(x + 1)}^2 = {(x + 1)}^5$

B. $x{(x + 1)}^4 + x{(x + 1)}^3 + x{(x + 1)}^2 + {(x + 1)}^2 = {(x + 1)}^6$

C.$x{(x + 1)}^4 + x{(x + 1)}^3 + x{(x + 1)}^2 + {(x + 1)}^2 = {(x + 1)}^4\left(x-1\right)$

D. $x{(x + 1)}^4 + x{(x + 1)}^3 + x{(x + 1)}^2 + {(x + 1)}^2 = {(x + 1)}^4\left(x+2\right)$