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20 January, 01:15

What is y=x^2-9x+20 I need the answer for this while I'm still learning this slowly

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  1. 20 January, 04:29
    0
    x=5 x=4

    Step-by-step explanation:

    y=x^2-9x+20

    Set equal to zero

    0 = x^2-9x+20

    Factor

    What two numbers multiply to 20 and add to - 9

    -5*-4 = 20

    -5+-4 = - 9

    0 = (x-5) (x-4)

    Using the zero product property

    x-5 = 0 x-4 = 0

    x=5 x=4
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