（a^4+b^4)-2a^2b^2 (x^2+9)^2-36x^2 (x^2-2xy+y^2)+(-2x+2y)+1

来源：学生作业帮编辑：大师作文网作业帮分类：数学作业时间：2024/11/16 03:54:41

（a^4+b^4)-4a^2b^2
=(a^2+b^2-2ab)(a^2+b^2+2ab)
=(a-b)^2(a+b)^2
(x^2+9)^2-36x^2
=(x^2+9-6x)(x^2+9+6x)
=(x-3)^2(x+3)^2
(x^2-2xy+y^2)+(-2x+2y)+1
=(x-y)^2-2(x-y)+1
=(x-y-1)^2

分解因式1.2a(x-y)-3b(y-x)2.-x^y-2xy+35y3.a^(x-y)-4b^(x-y)若|a+2|+ 已知：A=X*X-3xy+y*y,B=2x*x+xy-3y*3y.求A+B,A-B,A+2B 因式分解(x-y)^2+4(x^2-y^2)+4(x+y)^2 a(x^2+2xy+y^2)-b(x^2-y^2) (x 3a-3b/10ab*25a^b3/a^-b^= x^-4y^/x^+2xy+y^/x+2y/2x^+2xy （x-A）*(B-y)=x^2-9xy+8y^2,求A,B x²（x+y)(y-x)-xy(x+y)(x-y) 已知a+b=4,ab=-2,求多项式3a²b+3 A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²+3x-y,若x= 设A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²-3x-y,若x 设A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²+3x-y.若x (2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) （1）.设A=2X²-3Xy+y²+X-3y,B=4X²-6xy+2y²+4X- 设A=2x-3xy+y+x-3y,B=4x-6xy+2y+4x-y,若|x-3a|+（y+3）=0,且B-2A=a.求A