the length of a room is 2 metre longer than its breadth if the area of its floor is 63 square metre calculate the length and breadth of the room
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12
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Step-by-step explanation:
Let breadth be x
Let length be x+2
(x)×(x+2)=63
2x+xsq=63
Xsq+2x-63=0
Xsq+9x-7x-63
x(x+9)-7(x+9)
(x-7)(x+9)
X=+7,-9
-9 rejected
x=7= breadth
9=length
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