Question

facterise :x²-y²-x+y​

Answer 1

ANSWER

x²-y²-x+y

=(X+y)(X-y)-(X-y)

=(X+y-1)(X-y)

Answer 2

Step-by-step explanation:

${x}^{2} - {y}^{2} - x + y \\ = (x + y)(x - y) - (x - y) \\ = (x + y - 1)(x - y)$