SOLUTION: Use a quadratic equation and factoring to solve the application. The width of a garden is 8 feet less than the length. If the area of the garden is 20 square feet, find the len

SOLUTION: Use a quadratic equation and factoring to solve the application. The width of a garden is 8 feet less than the length. If the area of the garden is 20 square feet, find the len

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Question 305469: Use a quadratic equation and factoring to solve the application.
The width of a garden is 8 feet less than the length. If the area of the garden is 20 square feet, find the length and the width.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
W=L-8
AREA=LW
20=L(L-8)
20=L^2-8L
L^2-8L-20=0
(L-10)(L+2)=0
L-10=0
L=10 ANS.
W=10-8
W=2 ANS.
PROOF:
2*10=20
20=20

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