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15 September, 21:39

Evaluate 5x²-4 when x = 3

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Answers (2)
  1. 15 September, 21:58
    0
    5 (3²) - 4

    Simplify the exponent.

    5 (9) - 4

    Distribute the 5 into 9

    45 - 4

    41

    Your answer is 41
  2. 15 September, 22:23
    0
    5 (3) ^2-4

    5 (9) - 4

    45-4

    41
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