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

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Mathematics

Mylie Miranda

25 May, 13:17

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

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Kendall Russo · Answer 1

- (-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