Algebra questions need help

Algebra
Tutor: None Selected Time limit: 1 Day

The area of a rectangle is 

 , and the length of the rectangle is 
 less than double the width. Find the dimensions of the rectangle

Length    ft

Width       ft

Feb 9th, 2015

width=x

length=2x-3

area=length*width

x*(2x-3)=27

2x^2-3x=27

2x^2-3x-27=0

2x^2+6x-9x-27=0

2x(x+3)-9(x+3)=0

(2x-9)(x+3)=0

x=-3

2x=9

x=4.5

width=4.5 ft

length= 6 ft

Feb 9th, 2015

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