Разложите на множители X^3+y^3+2x^2-2xy+2y^2
x³+y³+2x²-2xy+2y²=(x+y)(x²-xy+y²)+2(x²-xy+y²)= =(x²-xy+y²)(x+y+2).
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x³+y³+2x²-2xy+2y²=(x+y)(x²-xy+y²)+2(x²-xy+y²)= =(x²-xy+y²)(x+y+2).