9xy(x-y)(x+1)-3y(x-y)(3x+2y)+6y的平方(x-y)(x+1),因式分解
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/05/03 17:07:20
9xy(x-y)(x+1)-3y(x-y)(3x+2y)+6y的平方(x-y)(x+1),因式分解
第一项与第三项先合并
9xy(x-y)(x+1)-3y(x-y)(3x+2y)+6y^2*(x-y)(x+1)
=(x-y)(x+1)(9xy+6y^2)-3y(x-y)(3x+2y)
=(x-y)(x+1)(3x+2y)3y-3y(x-y)(3x+2y)
=3y(x-y)(3x+2y)(x+1-1)
=3xy(x-y)(3x+2y)
9xy(x-y)(x+1)-3y(x-y)(3x+2y)+6y^2*(x-y)(x+1)
=(x-y)(x+1)(9xy+6y^2)-3y(x-y)(3x+2y)
=(x-y)(x+1)(3x+2y)3y-3y(x-y)(3x+2y)
=3y(x-y)(3x+2y)(x+1-1)
=3xy(x-y)(3x+2y)
9xy(x-y)(x+1)-3y(x-y)(3x+2y)+6y的平方(x-y)(x+1),因式分解
因式分解3a(x-y)+9(y-x) x的平方+y的平方-1-2xy (x+2)(x+6)+x的平方-4
因式分解:(x+y)(x+2y)=x的平方+3xy+2y的平方
因式分解 x平方y(x-y)-xy平方(x-y)
因式分解xy+y平方+x-y-2
因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)(
1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)
(x+y)*(x+1)-(xy+y*y)因式分解为多少
因式分解:x×x-xy-2y×y-x-y
(x+y)(x-y)-(2xy+3y)平方
先化简再求值(x-y)(x+y)-(x-2y) 的完全平方+x(3x-5y)-(x-y)(x-2y),其中x=1/2 y
因式分解3x^2(x-y)+6x(y-x)