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26 September, 02:58

Simplify 2 x2 - y for x = 3 and y = - 2.

A. 20

B. 14

C. 16

D. 10

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Answers (1)
  1. 26 September, 03:20
    0
    2x^2 - y

    2 (3) ^2 - (-2)

    2 (9) + 2

    18 + 2

    20

    Assuming 2x2 is supposed to mean 2x^2, the correct answer is 20.
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