✨ Best Answer ✨
2x²-2y²-3xy+5y-2
＝2x²-3yx-2y²+5y-2
＝2x²-3yx-(2y²-5y+2)
=2x²-3yx-(y-2)(2y-1)
=(x-2y+1)(2x+y-2)
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ありがとうございます(TT)