Question

X square + Y - xy - X factorise this

Answer 1

the equation can be written as
x square -x-xy+y
x (x-1)-y (×-1)
(x-y)(x-1)

Answer 2

x
$x {}^{2} + y - xy - x \\ x(x + y - y - x) \\ x(0) = 0$