jpn9503
jpn9503 jpn9503
  • 23-04-2018
  • Mathematics
contestada

Factor 7x² – 31x – 20.

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Аноним Аноним
  • 23-04-2018
7x² – 31x – 20 = (x - 5)(7x + 4)
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watson956
watson956 watson956
  • 23-04-2018
there are two answers one is x=-4/7=-0.571 or this second one is x=5.
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