Kittylover72 Kittylover72
  • 25-10-2016
  • Mathematics
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The area of a rectangular desk is given by the trinomial [tex] d^{2} -7d-18[/tex].what are the possible dimensions of the desk? Use factoring.

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Аноним Аноним
  • 25-10-2016
d^2-7d-18


d -9


d +2


(d-9)(d+2)



d-9=0 d=9


d+2=0 d=-2
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