paulcollymore
paulcollymore
18-09-2019
Mathematics
contestada
simplify the following (x-y) ² - x+y
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zaidmir1987
zaidmir1987
18-09-2019
(x-y) ² - x+y
x ² - 2xy + y ² - x + y
or
x(x-1) + y(y+1) - 2xy
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