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17 May, 17:09

Evaluate the expression for the given value of the variable (s). - x^2 - 4x; x = - 3

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  1. 17 May, 17:22
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    - (-3) ^2-4 (3)

    Basically a - outside the parentheses means that you are to multiply by a - 1. So the first pet would be 3^2 which is 9 and then 4*3=12 so, 9-12 = - 3
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