6ax^2-9a^2 xy+2xy-3ay^2x^3-5x+4
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6ax^2-9a^2xy+2xy-3ay^2x^3-5x+46ax^2-9a^2xy+2xy-3ay^2x^3-5x+46ax^2-9a^2xy+2xy-3ay^2x^3-5x+4x^3-5x+4=(
6ax^2-9a^2 xy+2xy-3ay^2x^3-5x+4
6ax^2-9a^2 xy+2xy-3ay^2
x^3-5x+4
6ax^2-9a^2 xy+2xy-3ay^2x^3-5x+4
x^3-5x+4=(x^2+x-4)
6ax^2-9a^2 xy+2xy-3ay^2 =(2x-3ay)(3ax+y)
6ax^2-9a^2 xy+2xy-3ay^2x^3-5x+4
(-3xy+2xy)-(4xy+xy)
(ax^2-2xy+y^2)-(-ax^2+bxy+2y^2)=6x^2-9xy+cy^2成立则a= b= c=
x三次方+x²y-xy²-y三次方 因式分解(2) ax²-bx²+bx-ax+a-b 因式分解(3)x²+6xy+9y²-16a²+8a-1 因式分解
分解因式2x^2+4xy-6ax+3a-x-2y
2x的2次方+4xy-6ax+3a-x-2y 因式分解
(ax^2 y^2-a)除以(xy+1) 在线等
-2ax²×(-5a³xy²)
计算:3xy-4xy-(-2xy)3xy-4xy-(-2xy)-1/3ab-1/4a²+1/3a²-(-2/3ab)
A=3x²-4xy+cy²,B=ax²-3xy,C=x²-bxy+2y²,且A-B-C=6x²+4xy+4y²,求a、b、c、
把下列的式子因式分解(1)ax+3y-3a=xy(2)(x)+y-xy-x(3)ax-bx+cx-ay+by-cy(4)(a)-(b)+2ax-2bx(5)(a)-2ab+(b)-1(6)(x)+6xy+(9y)-(4m)-4mn-(n)所有打括号的都是那数的平方
(3xy-9x2-2y2-6xy)-(6x2+2xy-3xy-y)
已知A=8x^2y-6xy^2-3xy,B=7xy^2-2xy+5x^2y求A-B
1.合并同类项 (1)-3a+5a-6a (2)2ax-7ax (3)2x+1-3x+7-3x+5x (4)7xy-x+2x-5xy-3x
3xy-3xy-xy+2yx
3xy-4xy-(-2xy)
3xy-4xy-(-2xy)
2xy.(-3xy)÷(xy)