((4x^2-12xy+9y^2)-(4x^2-9y^2))/(2x-3y)
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((4x^2-12xy+9y^2)-(4x^2-9y^2))/(2x-3y)
((4x^2-12xy+9y^2)-(4x^2-9y^2))/(2x-3y)
((4x^2-12xy+9y^2)-(4x^2-9y^2))/(2x-3y)
((4x^2-12xy+9y^2)-(4x^2-9y^2))/(2x-3y)
=[-12XY+18Y^2]/(2X-3Y)
=-6Y(2X-3Y)/(2X-3Y)
=-6Y
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
4x^2y+12xy+9y分解因式
已知X+Y=3,XY=-1,求2(X-Y)^4-9(X-Y)^2+12XY
化简:-x(2)-(2xy) *9x(2)-9xy(3)+12x(4)y(2)/(3xy)谢谢!
(x^2+2xy+y^2-4xy)*(x^2-2xy+y^2+4xy)
9-x^2-y^2+4xy
9-x^2-y^2+4xy,
(x+y)(x+y+2xy)+(xy+1)(xy-1)(x+y)(x-y)+4(y-1)
化简:3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]
xy-2{xy-[3x^2y-(4xy^2+0.5xy)]+4x^2y}+6xy^2
(X-3xy+4xy-y)-[-2x-2(xy-3/2xy)-y]+6xy的过程
(-3x^y+2xy)-( )=4x^+xy
因式分解 -4X^2-9Y^2+12XY
9x^2y^2+12xy+4分解因式
9x^2+12xy+4y^2 公式法
(12x^2y-8xy^2+16xy)/-3x+2y-4=?
(12x^2y-8xy^2+16xy)/-3x+2y-4=?
计算:12xy^2/(x+y) * (x^2 - y^2)/4xy