Question

x square - 3x + 3y - y square Factorise​

Answer 1

Answer:

$x {}^{2} - 3x + 3y - y {}^{2} \\ x {}^{2} - 3x - y {}^{2} + 3y \\ x(x - 3) - y(y - 3) \\ (x - y)(x - 3)(y- 3)$