Question

( a+b)cube -a cube - b cube​

Answer 1

Answer:

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

Hope it helps you

please mark as brainliest