SOLUTION: The area of the rectangle is represented by 5x^2 +19x +12. What is the length? Thank you for your time in helping me with this problem. Daniel H. Jack

Algebra ->  Surface-area -> SOLUTION: The area of the rectangle is represented by 5x^2 +19x +12. What is the length? Thank you for your time in helping me with this problem. Daniel H. Jack      Log On


   

Question 1015321: The area of the rectangle is represented by 5x^2 +19x +12. What is the length?
Thank you for your time in helping me with this problem.
Daniel H. Jack
Found 2 solutions by ikleyn, Edwin McCravy:
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
Apply the quadratic formula.


Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!
A = 5x^2 +19x +12

A = (5x+4)(x+3)

The width is the smaller and the length is the larger.

The length is the larger 5x+4 and the 
smaller x+3 is the width.

Edwin