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anonymous

  • one year ago

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  1. Nnesha
    • one year ago
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    is it x^2-64 or +64 ?

  2. Nnesha
    • one year ago
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    `discriminant ` \[\huge\rm \frac{ -b \pm {\sqrt{\color{Red}{b^2-4ac}} }}{ 2a }\] the red part is discriminant you should use that to find if it's factorable or not

  3. anonymous
    • one year ago
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    its the way its written, and yes, i know on the internet its - but no

  4. Nnesha
    • one year ago
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    i'm not asking cuz its on the internet when you have x^2 `minus` y^2 then you can apply `difference of square` method ...

  5. anonymous
    • one year ago
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    i gtg if you could leave all of the steps for me to look at thx

  6. Nnesha
    • one year ago
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    \[\huge\rm x^2-y^2=(x+y)(x-y)\] ^difference of squares but in ur question it's positive 64 so you can't apply that

  7. anonymous
    • one year ago
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    x^2 + 64=(x+8i) (x-8i)

  8. anonymous
    • one year ago
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    x = -8

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