Mathematics
Senior High

因数分解してくださいm(_ _)m

2 5 (1) x² – 2x²y + xy - 2 y ²

Answers

x³+xy=x(x²+y)
-2x²y-2y²=-2y(x²+y)

x(x²+y)-2y(x²+y)
x²+yでくくると
(x²+y)(x-2y)

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