Question

(a+b)^3=?
(a-b)^3=?

please answer as fast as possible!!

Answer 1

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

Answer 2

${(a + b)}^{3} = \\ \\ {a}^{3} + {3a}^{2} \: \: b \: \: + \: \: {3ab}^{2} \: \: + \: \:{ b³}$

${( a- b)}^{3} = \\ \\ {a}^{3} - \: {3a}^{2} b \: \: + \: \: {3ab}^{2} \: \: - \: \: {b³}$