Question

(a+b)^3-8(a-b)^3
Steep By Step Solution Please

Answer 1

Answer:

$( {a + b)}^{3} - 8( {a - b)}^{3}$

${a}^{3} + {b}^{3} \: - \: {8a}^{3} - \: {8b}^{3}$

${a}^{3} - {8a}^{3} + {b}^{3} - \: {8b}^{3}$

${7a}^{3} + \: {7b}^{3}$