anonymous
  • anonymous
Use the quadratic formula to solve x^2 – 2x = 2. Can you also solve by factoring?
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
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
anonymous
  • anonymous
-2 + 1 = -2
anonymous
  • anonymous
how can i solve this using the quadric formula? Is it (x+-2)(x-1)=0??

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anonymous
  • anonymous
quadratic formula is \[-b \pm ((\sqrt{b ^{2}-4ac})/2a)\]
anonymous
  • anonymous
u substitue values in that equation, ur equation has to be of formAx+Bx+C=0
radar
  • radar
Militarpolica, have you solved quadratics using the formula before?
radar
  • radar
\[(-b \pm \sqrt{b ^{2}-4ac})/2a\]
radar
  • radar
To get you started, in your quadratic equation, a=1, b=-2, and c=-2
radar
  • radar
\[(2\pm \sqrt{4+8})/2=(2\pm \sqrt{12)}/2=(2\pm2\sqrt{3})/2=1\pm \sqrt{3}\]

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