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anonymous

  • 5 years ago

Use the quadratic formula to solve x^2 – 2x = 2. Can you also solve by factoring?

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  1. anonymous
    • 5 years ago
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    no u cant u need ot use the formula because nothing can be multiplied to make -2 and add up to also equal -2...so u need to use the formula

  2. anonymous
    • 5 years ago
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    -2 + 1 = -2

  3. anonymous
    • 5 years ago
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    how can i solve this using the quadric formula? Is it (x+-2)(x-1)=0??

  4. anonymous
    • 5 years ago
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    quadratic formula is \[-b \pm ((\sqrt{b ^{2}-4ac})/2a)\]

  5. anonymous
    • 5 years ago
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    u substitue values in that equation, ur equation has to be of formAx+Bx+C=0

  6. radar
    • 5 years ago
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    Militarpolica, have you solved quadratics using the formula before?

  7. radar
    • 5 years ago
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    \[(-b \pm \sqrt{b ^{2}-4ac})/2a\]

  8. radar
    • 5 years ago
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    To get you started, in your quadratic equation, a=1, b=-2, and c=-2

  9. radar
    • 5 years ago
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    \[(2\pm \sqrt{4+8})/2=(2\pm \sqrt{12)}/2=(2\pm2\sqrt{3})/2=1\pm \sqrt{3}\]

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