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JulieLu

  • one year ago

find the zeros of the function y=x^2-4x+3 by factoring

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  1. geerky42
    • one year ago
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    x²-4x+3 = (x - ?)(x - ?)

  2. JulieLu
    • one year ago
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    (x-3)(x-1)

  3. geerky42
    • one year ago
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    Excellent. Now find zero. Do you know how to?

  4. JulieLu
    • one year ago
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    i have no idea

  5. geerky42
    • one year ago
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    (x-3)(x-1) = 0 so either (x - 3) or (x - 1) must be equal zero.

  6. JulieLu
    • one year ago
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    (x-3)

  7. geerky42
    • one year ago
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    or (x - 1). So set both terms equal to zero. (x - 3) = 0 (x - 1) = 0 Find x. You will have two answers.

  8. JulieLu
    • one year ago
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    x=3 x=1

  9. JulieLu
    • one year ago
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    thank you

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