(3x-2y)²(3x+2y)²(9x²+4y²)²
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:2024/07/22 07:53:13
(3x-2y)²(3x+2y)²(9x²+4y²)²
![(3x-2y)²(3x+2y)²(9x²+4y²)²](/uploads/image/z/56092-4-2.jpg?t=%EF%BC%883x%EF%BC%8D2y%EF%BC%89%26%23178%3B%EF%BC%883x%2B2y%EF%BC%89%26%23178%3B%EF%BC%889x%26%23178%3B%2B4y%26%23178%3B%EF%BC%89%26%23178%3B)
(3x-2y)²(3x+2y)²(9x²+4y²)²
=[(3x-2y)(3x+2y)(9x²+4y²)]²
=[(9x²-4y²)(9x²+4y²)]²
=(81x^4-16y^4)²
再问: ∧諟什么
再答: 81^4是81的四次方
再问: 哦,谢了
=[(3x-2y)(3x+2y)(9x²+4y²)]²
=[(9x²-4y²)(9x²+4y²)]²
=(81x^4-16y^4)²
再问: ∧諟什么
再答: 81^4是81的四次方
再问: 哦,谢了
(3x-y)²-2x(4x-5y)-(x+2y)²
先化简再求值:(x-2y)²-(x+2y)(x-2y)-(x-3y)(x-y).其中x²+9y
(x-2y)²+(2x-4y)(x+y)+(x+y)²
已知x-y=1,y≠0,求{(x+2y)²+(2x+y)(x+4y)-3(x+y)(x-y)}÷y的值.
先化简,在求值:(x-y)²+(3x-2y)(2x+y)-x(6x-y)
因式分解:(1)x²+x (2)4x²-9y (3)x²y-4y
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
已知x,y为实数,且2(x+2y)=x²+y²+5求代数式3x-4y分之x²+y²
3(x-2y)²+(x-2y)因式分解
3m(x-y)-2(y-x)²因式分解
(x-y)的四次方(x-y)-2(x-y)²(y-x)³等于?
[(3x-2y)²-(3x+2y)(3x-2y)]/(2y-3y)