annabutcher2017 annabutcher2017
  • 12-07-2017
  • Mathematics
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Solve this quadratic equation. x^2+2x-22=0

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jjmcdoge jjmcdoge
  • 12-07-2017
x=⁻3 and x=1
because 
a+b=2 which means a=3 and b=⁻1 which added up equals 2
a×b=⁻22 which means that 11 which is a×⁻2 which is b=⁻22
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