SOLUTION: The length of the rectangle is 6cm more than it's width. The area is 216 cm squared. What are the dimensions?

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Question 983548: The length of the rectangle is 6cm more than it's width. The area is 216 cm squared. What are the dimensions?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
L=6+w
wL=216

w(w+6)=216
w^2+6w-216=0