SOLUTION: find an expression for the width of a rectangle with the area of 4x2-1, and length of 2x+1.

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Question 955973: find an expression for the width of a rectangle with the area of 4x2-1, and length of 2x+1.
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
find an expression for the width of a rectangle with the area of 4x2-1, and length of 2x+1.
length*width=area
width=area/length=(4x^2-1)/(2x+1)=(2x+1)(2x-1)/2x+1=2x-1