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23 May, 13:35

What are the solutions of the quadratic equation

X2+11x=-28

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  1. 23 May, 17:03
    0
    X² + 11x = - 28

    to find the solution of this polynomial, it'll be easiest to try and factor it. the first thing you need to do is move everything to one side:

    x² + 11x = - 28 ... add 28

    x² + 11x + 28 = 0 ... factor

    (x + 7) (x + 4) = 0 ... now set both of your factors equal to zero and solve for x

    x + 7 = 0

    x = - 7

    x + 4 = 0

    x = - 4
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