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8 April, 07:50

What are the solutions of the quadratic equation (x + 3) = 49,

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  1. 8 April, 07:53
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    x = - 10 x=4

    Step-by-step explanation:

    (x + 3) ^2 = 49

    Take the square root of each side

    sqrt ((x + 3) ^2) = ±sqrt (49)

    (x + 3) = ±7

    Separate into two equations

    x+3 = 7 x+3 = -7

    Subtract 3 from each side

    x+3-3 = 7-3 x+3-3 = -7-3

    x = 4 x=-10
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