Question

250 (a-b)^3+2
Please help me for doing this one .​

Answer 1

$250(a - b) {}^{3} + 2 \\ 250(a {}^{3} - {b}^{3} - 3a {}^{2} b + 3ab {}^{2} ) + 2 \\ 250a {}^{3} - 250 {b}^{3} - 750a {}^{2} b + 750ab {}^{2} + 2$