angelmath1822 angelmath1822
  • 17-01-2018
  • Mathematics
contestada

The length of a rectangle is 5 more than twice its width. if the area of the rectangle is 42, what equation can be used for its width , x

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dannielle
dannielle dannielle
  • 22-01-2018
l=2w+5
A=25=w*l
25=w*(2w+5)
25=2w^2+5w
2w^2+5w-25=0 this is the equation
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