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ashleysmith

  • 3 years ago

solve by completing the square. x(to 2nd power) -6x-16=0

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  1. SmoothMath
    • 3 years ago
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    The first thing to do is make it look like something you can complete the square for. Get the x^2 and the x part of the equation alone.

  2. cwtan
    • 3 years ago
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    Completing the square (x-3)^2-3^2-16=0

  3. cwtan
    • 3 years ago
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    (x-3)^2=25 x-3=\(\pm\)5

  4. ashleysmith
    • 3 years ago
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    thank you!!!

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