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22 March, 23:43

Evaluate at the given value

4x^2+6x-5 when x=-3

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Answers (2)
  1. 23 March, 02:17
    0
    That is 4 (-3) ^2 + 6 (-3) - 5 = 36 - 18 - 5 = 13 Answer
  2. 23 March, 02:36
    0
    To evaluate 4x² + 6x - 5 when x = - 3, plug - 3 for x into the expression.

    Evaluate when x = - 3.

    4x² + 6x - 5

    Plug - 3 for x.

    4 (-3) ² + 6 (-3) - 5

    Square - 3.

    4 (9) - 18 - 5

    Multiply 4 and 9.

    36 - 18 - 5

    Subtract from left to right.

    18 - 5

    13

    Answer:

    13
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