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20 December, 23:29

If x = 4 calculate the value of 2x squared - 5

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  1. 21 December, 02:00
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    2x squared - 5

    = 2 (x) ^2 - 5

    = 2 (4) ^2 - 5

    = 2 (16) - 5

    = 32 - 5

    = 27
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