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algebra

Solve by factoring

x^2 -2x -24=0

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Maria

  1. can you think of 2 numbers, one + the other -, so when multiplied you get -24 and when added you get -2 ?

    how about -6,+4 ?

    so ...
    x^2 -2x -24=0
    (x-6)(x+4) = 0
    x = 6 or x = -4

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    Reiny

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