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7 June, 14:52

Evaluate the expression below when x = - 1.

2x2 - 5

X + 9

+4
Answers (1)
  1. 7 June, 16:54
    0
    2x^2-5=-3

    X+9=8

    Step-by-step explanation:

    Assuming those are 2 expressions:

    2x^2-5

    =2 (-1) ^2-5

    =2-5

    =-3

    X+9

    =-1+9

    =8
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