Question

factorize x-y-x^2+y^2​

Answer 1

Step-by-step explanation:

the answer is the pic

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Answer 2

Answer:

x=1,y= -1

Step-by-step explanation:

        x-y-x^2+y^2

  By taking minus common we get ,

       ⇒x^2+y-x-y^2

       ⇒x(x-1)+y(y-1)

       ⇒ (x-1)(x+y)

    x=1 ⇒ x+y=0

               1+y=0

                y=-1,x=1

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