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1 September, 14:43

Determine the solution for x^2 + 36 > 12x

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  1. 1 September, 15:02
    0
    (6, ∞)

    (-∞, 6)

    Step-by-step explanation:

    x^2 + 36 > 12x

    Subtract 12 x from each side

    x^2 - 12 x + 36 > 12x-12x

    x^2 - 12 x + 36 > 0

    Factor

    What 2 numbers multiply together to give us 36 and add together to give us 12

    -6*-6 = 36

    -6+-6 = 12

    (x-6) ^2 > 0

    Take the square root of each side

    x-6 >0 or x-6 <0

    x>6 or x < 6
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