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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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