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solve for 8m^2 +20m=12 for m by factoring

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2 answers

  1. divide by 4 first

    2 m^2 + 5 m - 3 = 0

    (2m-1)(m+3) = 0

    m = 1/2 or -3

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  2. 8m^2 +20m=12
    8m^2 +20m-12=0

    divide each term by 4

    2m^2 + 5m - 3 = 0
    (2m - 1)(n + 3) = 0

    m = 1/2 or m = -3

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