SOLUTION: the area of a rectangle is 96 sq cm the length is 4 cm greater than the width. find the demensions

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Question 707800:
the area of a rectangle is 96 sq cm the length is 4 cm greater than the width. find the demensions
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
AREA=LW
L=W+4
96=(W+4)W
96=W^2+4W
W^2+4W-96=0
(W-8)(W+12)=0
W-8=0
W=8 ANS.
L=8+4=12 ANS.
PROOF:
96=12*8
96=96