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21 May, 09:45

3x2 - y3 - y3 - z if x = 3, y = - 2, and z = - 5.

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  1. 21 May, 13:39
    0
    Ok so from experience on this site

    3x2=3x^2

    people don't know how to put exponents

    3x^2-y^3-y^3-z

    simplify first

    3x^2-2y^3-z

    x=3

    y=-2

    z=-5

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

    3 (9) - 2 (-8) + 5

    27+16+5

    48
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