Posted by Candy on .
The area of a rectangular floor is 8x+6x20. The width of the desktop is 2x+4. What is the length of the floor?

Algebra 1 
jinie,
was the 8x suppose to be 8x^2??

Algebra 1 
jinie,
if it is then the length would be 4x5
you just factor it out of the 8x^2+6x20 since they already give you the other factor which is 2x+4 
Algebra 1 
Candy,
Yes sorry about that

Algebra 1 
Joana,
The length of a rectangle is 5ft greater that 4 times its width the area is 369 sq ft. Whats the lenght?