(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)=6x^2-9xy+cy^2成立则a= b= c=
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 20:23:11
![(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)=6x^2-9xy+cy^2成立则a= b= c=](/uploads/image/z/6748750-46-0.jpg?t=%EF%BC%88ax%5E2-2xy%2By%5E2%29-%28-ax%5E2%2Bbxy%2B2y%5E2%29%3D6x%5E2-9xy%2Bcy%5E2%E6%88%90%E7%AB%8B%E5%88%99a%3D+b%3D+c%3D)
(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)=6x^2-9xy+cy^2成立则a= b= c=
(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)=6x^2-9xy+cy^2成立则a= b= c=
(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)=6x^2-9xy+cy^2成立则a= b= c=
(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)
=ax^2-2xy+y^2+ax^2-bxy-2y^2
=2ax^2-(b+2)xy-y^2
=6x^2-9xy+cy^2
所以2a=6
b+2=9
-1=c
所以
a=3
b=7
c=-1
x^2+2xy+y^2-ax-ay
(ax^2 y^2-a)除以(xy+1) 在线等
因式分解 3ax-3ay+xy-y^2
x的平方-2xy+y的平方+ax-ay
若xy满足方程组{3ax+4y=9① 6ax+5y=27②,则2ax+8y=()
x²+ax²+x+ax-1-a因式分解x²+7x-86x^2-7xy+2y
2/xy=( )/2ax²y² x³-xy²/(x-y)²=x( )/x-y
(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)=6x^2-9xy+cy^2成立则a= b= c=
多项式ax-ay,x^2-y^2,x^2-2xy+y^2的公因式是
若(ax²-2xy+y²)-(-ax²+bxy+2y²)=6x²-9xy+cy²成立,abc的值非别是多少?
若(ax²-2xy+y²)-(-ax²+bxy+2y²)=8x²-7xy-cy²成立,则a,b,c的值
(ax²-2xy+y²)-(-ax²+bxy+2y²)=8x²-7xy-cy²成立,求a,b,c.
(ax^2-2xy+y^2)-(-ax^2+bxy+cy^2)=6x^2-9xy+cy^2恒成立的abc的值依次是几?
因式分解:2y^2-2xy+2x^2-ay-ax-a^2
分解因式:2y^2-5xy+2x^2-ay-ax-a^2
分解因式:2y^2-5xy+2x^2-ay-ax-a^2
ax⌒3y⌒2+2ax⌒2y+ax
分解因式2x^2+4xy-6ax+3a-x-2y