The length of a rectangular floor is 5 m longer than its width. The area of the floor is 84 m².4. Using the equation, how will you determine
the length and the width of the floor?
the length and the width of the floor?
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Answers & Comments
Answer:
Step-by-step explanation:
Long method:
L = 5 + W
W * L = 84
W * (5+W) = 84
5W + W^2 = 84
W^2 + 5W - 84 = 0
one solution is to this equation is
W = 7
if W = 7, then L = 5 + W = 5 + 7 = 12
L = 12