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anonymous

  • one year ago

Solve x2 - 7x = -13.

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  1. MrNood
    • one year ago
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    write it first in 'standard form' ax^2 + bx + c=0

  2. MrNood
    • one year ago
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    \[ax ^{2} + bx +c =0\]

  3. anonymous
    • one year ago
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    A plot and solution from Mathematica is attached.

  4. MrNood
    • one year ago
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    @robtobey did that help the asker to understand the process at all? The tools you show are like using a calculator - it is no use if you don't know what question to ask.. Better at this stage to work through the process of solving quadratics and understanding discriminants etc. until the asker can use the tools effectively themself

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spraguer (Moderator)
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