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zahabaha

  • 3 years ago

Determine the factors of x2 − 9x + 20.

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  1. ashna
    • 3 years ago
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    x^2-9x +20=0 x^2 -5x -4x +20=0 x(x-5) -4(x-5)=0 (x-4) (x-5)=0 So Factors are (x-4)(x-5)

  2. abayomi12
    • 3 years ago
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    x^2-9x=-20 x^2-9x+20=0 x^2-5x-4x+20=0 x(x-5)-4(x-5)=0 (x-4)(x-5)=0 => Factors are (x-4)(x-5)

  3. abayomi12
    • 3 years ago
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    how come we get the same answer

  4. abayomi12
    • 3 years ago
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    hmmmmm that amazing

  5. ashna
    • 3 years ago
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    because we derived the answer for the same question :P

  6. ashna
    • 3 years ago
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    @zahabaha so x=4 and x=5

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