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Romashka-Z-Leto [24]
3 years ago
13

The length of a photograph is 1 cm less than twice the width. The area is 91cm^2. Find the width and length.

Mathematics
1 answer:
Brums [2.3K]3 years ago
7 0
Let the width = x
=>length = 2x-1

91= x(2x-1)=2x^2-x
2x^2-x-91=0
=(2x+13)(x-7)
=> x=-13/2=> no
=>x= 7 cm
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