A-b whole cube formula, a3-b3 formula

a-b whole cube formula

a-b whole cube formula proff,a3-b3 formula proff

(a-b)^3=a^3-b^3-3ab(a-b)

\implies a^3-b^3-3a^2b+3ab^2

\implies a^3-3a^2b+3ab^2-b^3

a-b whole cube formula, a3-b3 formula

a^3-3a^2b+3ab^2-b^3

:white_check_mark: :point_right:t3: A+b whole cube formula, a3+b3 formula