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20 April, 18:54

Use completing the square to solve for x in the equation (X + 70X-9) = 20

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  1. 20 April, 19:16
    0
    0.408451

    Step-by-step explanation:

    (x+70x-9) = 20

    add x's together

    71x-9=20

    change symbol and drop number

    71x=20+9

    71x=29

    divide 29 by 71

    x=0.408451
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