已知x^2-4x+4=0.2y^2+12y+18=0,求代数式9x^2-12xy+4y^2的值马上要分解因式：m^6-1

来源：学生作业帮助网编辑：六六作业网时间：2024/12/26 08:38:33

已知x^2-4x+4=0.2y^2+12y+18=0,求代数式9x^2-12xy+4y^2的值马上要分解因式：m^6-1已知x^2-4x+4=0.2y^2+12y+18=0,求代数式9x^2-12xy

已知x^2-4x+4=0.2y^2+12y+18=0,求代数式9x^2-12xy+4y^2的值马上要分解因式：m^6-1
已知x^2-4x+4=0.2y^2+12y+18=0,求代数式9x^2-12xy+4y^2的值
马上要
分解因式：m^6-1

已知x^2-4x+4=0.2y^2+12y+18=0,求代数式9x^2-12xy+4y^2的值马上要分解因式：m^6-1
x^2-4x+4=0
(x-2)^2=0
x=2
2y^2+12y+18=0
2(y^2+6y+9)=0
2(y+3)^2=0
y=-3
9x^2-12xy+4y^2
=(3x-2y)^2
=[3×2-2×（-3）]^2
=12^2=144
m^6-1
=(m^3+1)(m^3-1)
=(m-1)(m^2+m+1)(m+1)(m^2-m+1)

已知2x-y/x+3y=2,求代数式4x-2y/x+3y减4x+12y除以2x-y 已知2x-y/x+3y=2,求代数式4x-2y/x+3y减4x+12y/2x-y的值已知2x-y/x+3y=2,求代数式4x-2y/x+3y减4x+12y/2x-y的值已知X.x+y.y-4x+2y+5=0,求4X.X-12X Y+9Y.y的值已知2y-x=-3,求[4y(2x-y)-2x(2x-y)]/(2x-y 已知x/y=2,求2x(x+y)-y(x+y)/4x²-4xy+y² 已知x*x+4x+y*y-2y+5=0,则x*x+y*y=? 已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值? 已知x=3分之一,y=-2分之一,求代数式x-(x+y)+(x+2Y)-(x+3y)+(x+4y)...-(x+2009y) 已知:【(x²+y²)-(x-y)²+2y(x-y)】/4y=1,求4x/4x²-y²-1/2x+y 已知x-y=1,求[(x+2y)^2+(2x+y)(x-4y)-3(x+y)(x-y)]除以y的值大神们帮帮忙已知x-y=1,求[(x+2y)²+(2x+y)(x-4y)-3(x+y)(x-y)]÷y的值已知(x+2y)(2x-3y)=y(y-4x),试求x/y的值已知X=2,求代数式,（2X-Y)(2X+Y)+(2X-Y)(Y-4X)+2X(Y-3X) 已知2x-y分之x+y=2,求代数式4x-2y分之x+y-4x+4y分之2x-y的值已知(2x-y)/(x+y)=2,求代数式(4x-2y)/(x+y)-(4x+4y)/(2x-y)的值. 已知(2x-y)/(x+y)=2,求代数式(4x-2y)/(x+y)-(4x+4y)/(2x-y)的值 x+y分之4x-2y减2x-y分之4x+4y 已知x+y分之2x-y=2