SOLUTION: what are the dimension of the following rectangle? 3x+2 3x+2 x and x. The area is 120

Algebra ->  Rectangles -> SOLUTION: what are the dimension of the following rectangle? 3x+2 3x+2 x and x. The area is 120      Log On


   

Question 772258: what are the dimension of the following rectangle?
3x+2 3x+2 x and x. The area is 120
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!



Area is length times width, so:



Multiply it out, put the quadratic into standard form, and solve for , then calculate . Hint: The quadratic factors.


John

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