kandy1232 kandy1232

07-03-2020
Mathematics

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Write the expression as a polynomial, using the corresponding formula for special product:(x+y)(−x–y)

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profarouk profarouk

07-03-2020

Answer:

[tex]-x^{2} -2xy-y^{2}[/tex]

Step-by-step explanation:

(x+y)(−x–y) = (-x-y)(x+y) = -(x+y)(x+y)=-(x+y)² = -(x²+2xy+y²) = -x²-2xy-y²

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