annabutcher2017 annabutcher2017
  • 11-07-2017
  • Mathematics
contestada

whats the best way to solve x2 - 4x = 8

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matthewcooke23 matthewcooke23
  • 11-07-2017
minus the 8
so x^2 - 4x - 8 = 0
then use quadratic formula 
so x = 2 plus or minus root 2
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