The area of a rectangular desk is given by the trinomial d^(2) -7d-18.what are the possible dimensions of the desk? Use factoring.

Question

The area of a rectangular desk is given by the trinomial
`d^(2) -7d-18`.what are the possible dimensions of the desk? Use factoring.

Answer 1

d^2-7d-18


d -9


d +2


(d-9)(d+2)



d-9=0 d=9


d+2=0 d=-2