SOLUTION: the length of a rectanglar garden is 5m greater than the width. the area is 66^2. find the dim. of the garden.

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Question 214193: the length of a rectanglar garden is 5m greater than the width. the area is 66^2. find the dim. of the garden.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=W+5
LW=66
W(W+5)=66
W^2+5W-66=0
(W+11)(W-6)=0
W-6=0
W=6 M. IS THE WIDTH.
L=6+5=11 M. IS THE LENGTH.
PROOF:
6*11=66
66=66
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20b^2-64+64
20B^2 ANS.