SIMPLIFY:-
x(x – y + 1)- y(x + y-1)
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Answer:
x^2-y^2-2xy+x+y
Step-by-step explanation:
x(x-y+1)-y(x+y-1)
x^2-yx+x-yx-y^2+y
x^2-y^2-2xy+x+y
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