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5 August, 22:25

Slove 3x2-8=40 algebraically

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  1. 5 August, 23:39
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    Answer: x = - 4, 4

    Step-by-step explanation:

    3x^2 - 8 = 40 add 8 to both sides

    3x^2 = 48 divide both sides by 3

    x^2 = 48/3 = 16 square root both sides

    x = + / - 4
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