Length of a room is 6m longer than its breadth. If the area of the room is 72m ^2 its breadth will be
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let us assume that the breadth of the room be x
so length is x+6
area of room is 72
area of rectangular room =length×breadth
72=x(x+6)
72=x^2+6x
x^2+6x-72=0
x^2-6x+12x-72=0
x(x-6) +12(x-6) =0
(x-6) (x+12) =0
breadth is 6 m
so length is x+6
area of room is 72
area of rectangular room =length×breadth
72=x(x+6)
72=x^2+6x
x^2+6x-72=0
x^2-6x+12x-72=0
x(x-6) +12(x-6) =0
(x-6) (x+12) =0
breadth is 6 m
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