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25 September, 22:51

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

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Answers (1)
  1. 25 September, 23:23
    0
    20

    Step-by-step explanation:

    Given

    2x² - y ← substitute x = 3 and y = - 2 into the expression

    = 2 (3) ² - ( - 2)

    = 2 (9) + 2

    = 18 + 2

    = 20
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