Question

x^2−2xy+y^2−x+y
factorise
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Answer 1

${x}^{2} - 2xy + {y}^{2} - x + y$

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

Answer 2

(This answer was wrong so I removed it. The answer above this is correct, I don't know how to delete this, sorry T-T)