patille11 patille11
  • 07-04-2020
  • Mathematics
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x^2 − 2x + 1 = 0
x^2 + 9x + 20 = 0

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sasorimymans
sasorimymans sasorimymans
  • 07-04-2020

Answer: 1. ( x-1)^2=0 2. (x+5)(x+4)=0

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