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24 October, 12:55

Evaluate the expression 2x^2-x when x=3

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Answers (2)
  1. 24 October, 13:36
    0
    Your answer will be 6
  2. 24 October, 15:45
    0
    Step-by-step explanation:

    The answer would be 15

    So first you can do the exponent so 2x^2 = 2*3^2 so 3^2 is 9 and 2*9 is 18 so 18 - x or 18 - 3 is 15
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