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

Question

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

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Cora 3 weeks 2021-10-07T01:44:16+00:00 1 Answer 0

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    2021-10-07T01:45:58+00:00

    Answer:

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

    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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45:7+7-4:2-5:5*4+35:2 =? ( )