-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)
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-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)
说错说错,
3xy【2xy-x(y-2)+x】
(x+2)(x+3)-(x+6)(x-1)
(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
说错说错,
3xy【2xy-x(y-2)+x】
(x+2)(x+3)-(x+6)(x-1)
(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)
将其展开 =-4x^3y^5+2x^2y^5
提公因式 =(-2x^2y^5)(2x-1)
3xy【2xy-x(y-2)+x】
=3xy(xy+3x)
=3x^2y^2+9x^2y
(x+2)(x+3)-(x+6)(x-1)
=x^2+5x+6-x^2-5x+6
=12
(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
=-2/x^4y^2-4/3xy+4/5x^2
将其展开 =-4x^3y^5+2x^2y^5
提公因式 =(-2x^2y^5)(2x-1)
3xy【2xy-x(y-2)+x】
=3xy(xy+3x)
=3x^2y^2+9x^2y
(x+2)(x+3)-(x+6)(x-1)
=x^2+5x+6-x^2-5x+6
=12
(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
=-2/x^4y^2-4/3xy+4/5x^2
(xy-x^2)乘以(xy)/(x-y)
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因式分解:(2x-y)(x^2+xy-2y^2) xy(x^2-xy)(-3xy^2)
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