4x^2 + 4xy + y^2 -10x - 5y +6 的分解因式!
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4x^2 + 4xy + y^2 -10x - 5y +6 的分解因式!
4x^2 + 4xy + y^2 -10x - 5y +6 的分解因式!
4x^2 + 4xy + y^2 -10x - 5y +6 的分解因式!
4x^2 + 4xy + y^2 -10x - 5y +6
=(4x^2+4xy+y^2)-(10x+5y)+6
=(2x+y)^2-5(2x+y)+6
=(2x+y-2)(2x+y-3)
4x^2 + 4xy + y^2 -10x - 5y +6
=(2x+y)^2-5(2x+y)+6
=(2x+y-2)(2x+y-3)
(x^2+2xy+y^2-4xy)*(x^2-2xy+y^2+4xy)
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
(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
(x^-4y^)/(x^+2xy+y^)/(x+2y)/(2x^+2xy)
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
[(xy+2)(xy-2)-2x^2y^2+4]/xy,其中x=10,y=-1/25
[(xy+2)(xy-2)-2x^2y^2+4]/xy,其中x=10,y=-1/25
[(xy+2)(xy-2)-2x^2y^2+4]/xy(其中x=10y=25分之一)
已知2x+xy=10,3y+2xy=6.求4x+8xy+9y=?
x^3y(-4y)^2+(-7xy)^2*(-xy)-5xy^3*(-3x)^2
3(x^2y+xy)-4(xy-2x^2y)-(-xy)
5x^3y*(-3y)^2+(-6xy)^2*(-xy)+xy^3*(-4x^2)
当x-y=2xy时,求4x-3xy-4y/xy
XY(XY+3)+(XY+4)+4(X+Y+1)-(X+Y+2)