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7 May, 14:06

1. if y = x^2 + 2x find the value of y when x = - 2

2. if y = x^3 - 3 find the value of y when x = - 3

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  1. 7 May, 17:13
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    1. y = 4 + 2 (-2) = 0

    2. y = - 27 - 3 = - 30
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