3x^2(a+3)-4x^2y(a+3)的分解因式
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3x^2(a+3)-4x^2y(a+3)的分解因式3x^2(a+3)-4x^2y(a+3)的分解因式3x^2(a+3)-4x^2y(a+3)的分解因式3x^2(a+3)-4x^2y(a+3)=X^2(
3x^2(a+3)-4x^2y(a+3)的分解因式
3x^2(a+3)-4x^2y(a+3)的分解因式
3x^2(a+3)-4x^2y(a+3)的分解因式
3x^2(a+3)-4x^2y(a+3)
=X^2(a+3)(3-4y)
(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y)
因式分解:a(x-y)^2+b(y-x)^3 4(x-y)^2+8(y-x)(x+y)1.a(x-y)^2+b(y-x)^3 2.4(x-y)^2+8(y-x)(x+y)
集合A={y/y=1-x-4/x},B={X/X^2-(3+a)X+3a
集合A={y|y=1-x-(4/x)},B={x|x^2-(3+a)x+3a
36a^3(x-y)^2/27a(y-x)
5a(x-y)^2+10a(y-x)^3
[1]a(x-2y)-b(2y-x)+d(2x-4y) [2]x平方-2xy+y平方-2x+2y+1 【3】一(a-x)(a-y)-x(y-a)(X-a)[1]a(x-2y)-b(2y-x)+d(2x-4y) [2]x平方-2xy+y平方-2x+2y+1【3】一(a-x)(a-y)-x(y-a)(X-a) 分解因式,急求!
(1)x^2*x^8+x^13/x^3 (2)a^19/a^12/a^3 (3) (x-2y)^5/(2y-x)^3 (4)(x-y)^5/(x-y) (5)(x-y)^6/(y-x)^4
(2a+b)(2a-3b)+3a(2a+b)和x(x+y)(x-y)-x(x+y)²4a(x+y)-6x-6y和啊a(a-b)-ab+b²
先分解因式再求值:x(a-x)(a-y)-y(x-a)(y-a),其中a=3,x=2,y=4
(3a^3/X+Y)^3*(X^2-Y^2)除以(Y-X/Y+X)^2
1.计算(a^2+a+1)(a^2-a+1) 2.计算(x-y)(x+y)+(3x-2y)(2x+y)-x(6x-y)
约分(1)x-y/(y-x)^3(2)a^2+4a+4/4-a^2
x=2a/3,y=2+4a/1-2a,x表示y
已知|x|<a/4,|y|<a/6,求证:|2x-3y|<a.
a^x=2,a^y=5,则a^4x-3y=?
计算(1)x/x+y-x/x-y (2)a+2+4/a+2 (3)x^2-y^2/xy÷(x+y)
因式分解-5a^2+25a;25x^2-16y^2;x^3-25x;x^2(x-y)+y^2(y-x);x^2y^4-16x^2;(a+b)^2+2(a+b)+1