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Mathematics 10 Online
OpenStudy (anonymous):

The expression below represents the area, in square inches, of a rectangular picture mat. 20(x- y) - 4(x + y) What is an equivalent expression for the area of the picture mat, in square inches?

OpenStudy (anonymous):

i dont really get this. can anyone help? what i think it would me is 20 (x + y) - 4(x - y )

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