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alex41 [277]
3 years ago
15

A rectangle's width is 5 feet less than its length. If the area of the rectangle is 546 square feet, what is its length, in feet

?
Mathematics
1 answer:
Kitty [74]3 years ago
8 0
W = L - 5

546 = L × ( L - 5 )
546 = L^2 - 5L
L^2 - 5L - 546 = 0
( L - 26 ) ( L + 21 ) = 0
L = 26 , L = - 21
L = 26

length cannot be in negative , so ignore the negative answer

i am a mathematics teacher. if anything to ask please pm me
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