(m+1)(㎡+m+1)

网友回答

=m(㎡+m+1)+1×(㎡+m+1)
=m³+m²+m+㎡+m+1
=m³+2m²+2m+1
======以下答案可供参考======
供参考答案1:
(m+1)(㎡+m+1)
=m^3+m^2+m+m^2+m+1
=m^3+2m^2+2m+1