Question

length of a rectangle is 1 unit less than two times its breadth. If its area is 120 square unit, find its length and breadth.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

breadth=x

length=2x-1

x(2x-1)=120

2x^2-x-120=0

2x^2-16x+15x-120=0

2x(x-8)+15(x-8)=0

(2x+15)(x-8)=0

x=8,-15/2

length cannot be negative

So,x=8=breadth

length=2x-1=2*8-1=16-1=15

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