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7 February, 07:13

Solve 2x^2-4x-18=0 by completing the square. round the solutions to the nearest hundredth

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  1. 7 February, 09:12
    0
    1-√10

    1+√10

    Step-by-step explanation:

    2x^2-4x-18=0 x^2-2x-9=0 x^2-2x+1-10=0 (x-1) ^2-10=0 (x-1+√10) (x-1-√10) = 0 x=1-√10 x=1+√10
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