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anonymous

  • one year ago

PLEASE HELP!!!! What value is added to both sides of the equation x2 − 8x = −10 in order to solve by completing the square?

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  1. anonymous
    • one year ago
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    @mathmate @jim_thompson5910

  2. tkhunny
    • one year ago
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    Consider \((a+b)^{2} = a^{2} + 2ab + b^{2}\) Hold that up to \(x^{2} - 8x + \) Search for patterns.

  3. anonymous
    • one year ago
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    I'm still really confused what to do @tkhunny

  4. jim_thompson5910
    • one year ago
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    |dw:1439775738463:dw|

  5. jim_thompson5910
    • one year ago
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    |dw:1439775759501:dw|

  6. anonymous
    • one year ago
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    so the answer is 16?

  7. jim_thompson5910
    • one year ago
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    yes

  8. jim_thompson5910
    • one year ago
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    |dw:1439776012401:dw|

  9. anonymous
    • one year ago
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    thank you so much :)

  10. jim_thompson5910
    • one year ago
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    |dw:1439776025138:dw|

  11. jim_thompson5910
    • one year ago
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    the left side can be factored to (x-4)^2

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