the length of a rectangular plot of length exceeds its breadth by 23 M if the length is decreased by 15 M and the breadth is increased by 7 the area is reduced by 360 M square find the length and breadth of the plot
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breadth = x
length = x + 23
area = x(x+23) = x² + 23x
If
length = x + 23 - 15 = x + 8
breath = x+ 7
area = (x+8) (x+7) = x² + 23x - 360
x² + 8x + 7x + 56 = x² + 23x - 360
x² + 15x + 56 = x² + 23x - 360
8x = 360 + 56 = 416
x = 52
Breadth = 52m
Length = 52 + 23 = 75m
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