Question

Пожалуйста,

(m+1)³-m=

Answer 1

$(m + 1) {3} - m = m {3} + 3m + 1 - m = m {3} + 3m + 2m + 1$

Answer 2

$(m+1)^3-m=m^3 + 3m^2 + 3m + 1-m=m^3 + 3m^2 + 2m + 1$