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20 July, 22:59

Solve by factoring m2+8m+7=0

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  1. 20 July, 23:25
    0
    What 2 numbers multilpiy to get 7 and add to 8

    1 and 7

    (m+7) (m+1) = 0

    set each to zero

    m+7=0

    m=-7

    m+1=0

    m=-1

    m=-7 and - 1
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