x^2-y^2 x^2-2xy+y^2的公因式是 因式分解:-10x^3-6x^2+2x=m(a-b)^3+n(b-a)^2=4x^2-9y^2=(a+b)^2-4(a-b)^2=(a-b)(a^2-ab+b^2)-ab(b-a)=(a-b)(a^2-ab+b^2)+ab(b-a)=(a+b)^2-81(a-b)^2=-a^2-18a-81=-1+81x^4=因式分解(这三到要过程)x(x+y)(x-y)-x(x
来源:学生作业学帮网 编辑:学帮网 时间:2024/06/12 19:10:10
x^2-y^2 x^2-2xy+y^2的公因式是
因式分解:
-10x^3-6x^2+2x=
m(a-b)^3+n(b-a)^2=
4x^2-9y^2=
(a+b)^2-4(a-b)^2=
(a-b)(a^2-ab+b^2)-ab(b-a)=
(a-b)(a^2-ab+b^2)+ab(b-a)=
(a+b)^2-81(a-b)^2=
-a^2-18a-81=
-1+81x^4=
因式分解(这三到要过程)
x(x+y)(x-y)-x(x+y)^2=
(2m+3n)(2m-n)-n(2m-n)=
-16x^2+36=
上面的不要过程,就这三道要
x(x+y)(x-y)-x(x+y)^2=x(x+y)(x-y+x+y)=x(x+y)2x=2x^2(x+y)
(2m+3n)(2m-n)-n(2m-n)=(2m-n)(2m+3n-n)=2(m+n)(2m-n)
-16x^2+36=-4(4x^2-9)=-4(2x+3)(2x-3)
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
(x^2+xy/x-y)/(xy/x-y)计算
X-Y/2X+2Y XY/X+Y²
(x+y)(x-y)-(2xy+3y)平方平方是(2xy+3y)的
因式分解:x×x-xy-2y×y-x-y
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?
计算:y/(x的平方-xy)+2/(y-x)-x/(y的平方-xy)
正数x,y满足x-y=2xy,求x-y/x+y的值.
如果x^2+xy+y-14,y^@+xy+x=28,求x+y的值.
若1/x-1/y=2,求3x-2xy-3y/x-xy-y的值3x-2xy-3y/x-xy-y 不好意思,是3x-2xy-3y/x-2xy-y
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
(x-y)[(x+y)^2-xy]+(x-y)[(x-y)^2+xy]
.(x+y-2)(x+y-2xy)+(xy-1)^2
(x^2-xy)y÷y-x/xy怎么做?
x的平方+xy-2y的平方-x+y
代数 x^-y^/ x^-(y-z)^ 除以 x^+2xy+y^/(x-y)^-z^ 乘 x^+xy-xz/x^-xy