The area of a rectangle is ‘xy’ where ‘x’ is length and ‘y’ is breadth. If the
length of rectangle is increased by 5 units and breadth is decreased by 3
units, find the new area of rectangle.
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Answer:
xy-3x-5y+15
Step-by-step explanation:
area of rectangle(A)= xy
when x become x+5
& y becomes y-3
area= (x+5)(y-3)
= xy-3x-5y+15
= A-3x-5y+15
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