Question

Simplify 3 (x-y) (y-z) (x-z) ​

Answer 1

$question = (x - y)(x - y)(x - y) \\ \\ solution. \\ = (x - y)(x - y)(x - y) \\ \\ = (x - y) {}^{3} \\ \\ = x {}^{3} - {y}^{3} - 3xy(x - y) \\ \\ = x {}^{3} - {y}^{3} - 3 {x}^{2} y + 3x {y}^{2} \: \: answer...$