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gypsi Group Title

x^2-10x+25-b^2

  • 2 years ago
  • 2 years ago

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  1. sahil51993 Group Title
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    what???

    • 2 years ago
  2. gypsi Group Title
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    \[x ^{2}-10x+25-b ^{2} \] i need to factor it and i forgot how, it ends with 3 term multiplied by 3 terms but i don't remember how.

    • 2 years ago
  3. bmp Group Title
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    Rewrite it as (x-5)^2 - b^2. That's the difference of two squares. Rewrite it like that :-)

    • 2 years ago
  4. bmp Group Title
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    You should end up with (x- 5 - b)(x - 5 + b)

    • 2 years ago
  5. sahil51993 Group Title
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    x=(10(+or-)sqrt(100-100+4b^2))/2 x=(10(+or-)2b)/2 x=5+b and x =5-b

    • 2 years ago
  6. sahil51993 Group Title
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    which means @bmp is also correct

    • 2 years ago
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