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23 December, 02:14

How to you solve x2 - 20x - 17 = - 53

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  1. 23 December, 05:24
    0
    solve for x

    x=2

    Step-by-step explanation:

    x2-20x-17=-53

    reorder like terms x2 = 2x 2x=20x-17=-53

    collect like terms 2x-20x=-18x - 18x-17=-53

    move constant to the right hand side and change its sign - 18x=-53+17

    calculate the sum - 53+17 = - 36 - 18x=-36

    divide both sides by - 18 - 18x:-18 = x - 36:-18=2

    x=2
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