Question

what is the short way to solve (2+h)^3

Answer 1

https://en.wikipedia.org/wiki/Binomial_theorem

Answer 2

Binomial theorem is awesome :)

Answer 3

\[(a+b)^3 = (a+b)(a^2 + 2ab + b^2) = a^3 + 3a^2b + 3ab^2 + b^3\]

Answer 4

the exponents of a start at 3 and go down: 3, 2, 1, 0 and the exponents of b go upwards: 0, 1, 2, 3