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23 June, 06:16

Match each equation with its solution set. Tiles a2 - 9a + 14 = 0 a2 + 9a + 14 = 0 a2 + 3a - 10 = 0 a2 + 5a - 14 = 0 a2 - 5a - 14 = 0 Pairs {-2, 7} {2, - 7} {-2, - 7} {7, 2}

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  1. 23 June, 06:30
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    For this case we will solve the equations step by step:

    a2 - 9a + 14 = 0

    (a-7) * (a-2) = 0

    a1 = 7

    a2 = 2

    {7, 2}

    a2 + 9a + 14 = 0

    (a + 7) * (a + 2) = 0

    a1 = - 7

    a2 = - 2

    {-2, - 7}

    a2 + 5a - 14 = 0

    (a + 7) * (a-2) = 0

    a1 = - 7

    a2 = 2

    {2, - 7}

    a2 - 5a - 14 = 0

    (a-7) * (a + 2) = 0

    a1 = 7

    a2 = - 2

    {-2, 7}
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