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16 August, 20:59

2x^2-5xy-y^3 if x=-3, and y=-2

+4
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  1. 16 August, 21:03
    0
    2x^2-5xy-y^3 if x=-3, and y=-2

    2 (-3) ^2 - 5 (-3) (-2) - (-2) ^3

    =2 (9) - 5 (6) - (-8)

    = 18 - 30 + 8

    = - 4
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