TriFlames TriFlames
  • 23-01-2018
  • Mathematics
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Find the rational root x^2-4x+3

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altavistard
altavistard altavistard
  • 23-01-2018
This expression is easily factored:  x^2-4x+3 = (x-3)(x-1).

Setting these factors = to 0, we get x = 3 and x = 1.  These are the desired rational roots.

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