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21 September, 00:01

5 (x+7) ^2=245

find the steps

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  1. 21 September, 00:25
    0
    0,-14

    Step-by-step explanation:

    5 (x+7) ²=245

    divide both sides by 5

    (x+7) ²=49

    Taking the square root of both sides

    x+7=±7

    Either x+7=7

    subtract 7 from both sides

    x+7-7=7-7

    x=0

    or

    x+7=-7

    subtract 7 from both sides

    x+7-7=-7-7

    x=-14
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