need help w/pre algebra length,width, area problem?

David

New member
The problem is:
"The length of a rectangle is 2 feet more than 4 times the width.What are the dimensions if the area is 42?

I have to use this format 42=x(4x+2)
42=4x^2 +2x
I know the answer to the width is 3 but I am having trouble getting there.Help?
 
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