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

Respuesta :

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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