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2 March, 04:57

If x = 3, what is the value of 4x2 - 13?

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  1. 2 March, 05:11
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    1) Substitute the value of x = 3in the equation 4x^2-13

    4 (3) ^2-13 = 4*9-3 = 36 - 13 = 23
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