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Mathematics 19 Online
OpenStudy (pokemon23):

From a square piece of paper each of whose sides is represented by 10x is cut a square each of whose sides is represented by 9x.Represent the area which is left.

OpenStudy (anonymous):

100x^2 - 81x^2

OpenStudy (pokemon23):

how? explain

OpenStudy (anonymous):

area of a square= s^2

OpenStudy (pokemon23):

right simple :D

OpenStudy (anonymous):

:P

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