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4 February, 18:25

Complete the square to solve the equation below x^2+10x+10=14

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  1. 4 February, 21:08
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    X^2 + 10x + 10 = 14

    x^2 + 10x = 14 - 10

    x^2 + 10x = 4

    x^2 + 10x + 25 = 4 + 25

    (x + 5) ^2 = 29

    x + 5 = (+-) sqrt 29

    x = - 5 (+-) 5.39

    x = - 5 + 5.39 = 0.39 <==

    x = - 5 - 5.39 = - 10.39 <==
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