10a(x-y)²-5b(y-x)
(5)a(x+y)-b(x+y)-x-y
分解公因式p(x-y)-q(y-x)(a+b)(a-b)-(b+a)10a(x-y)^2-5b(y-x)3p(m-2n)
10a(x-y)²-5a(y-x) 因式分解
设集合A={y|y=x²+3,x∈R},B={y|y=-x²+10,x∈R},求A∩B.
A=((x,y)/2x+y=10),B=((x,y)/3x-y=5),求A交B,并且说明他的意义
a(x-a)(x+y)²-b(a-x)²(y+x)怎么算?
已知集合A={(x,y)|x²+y²≤1.x.y∈R},B={(x,y)||x|+|y|≤2.x.y
因式分解:①10a(x-y)^2-5b(y-x)②x(a-x)(a-y)-y(x-a)(y-a)③6(2a+b)(2a-
因式分解(a-b)²(x-y)-(b-a)(y-x)²=(a-b)(x-y)×( )
1、(a-b)(x-y)-(b-a)(x+y)
(a+b)(x+y)-(a+b)(x-y)分解因式
因式分解,(a-b)(x-y)-(b-a)(x-y)