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Answer:
x²-4x+3>0
x²-3x-x+3>0
x(x-1)-3(x-1)> 0
(x-3) (x-1) >0
Therefore:-x=1 or x=3
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NPK stands for "nitrogen, phosphorus, and potassium," the three nutrients that compose complete fertilizers. You may encounter these letters when reading the contents printed on bags of fertilizer. The description of the fertilizer may not expressly say "NPK," but you will at least see a series of three numbers.
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