(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3 [(x+y)^2-(x+y)(x+y)]÷2y(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3[(x+y)^2-(x+y)(x+y)]÷2y因式分解:x^3y-6x^2y^2+9xy^3(a^2+4b^2)2-16a^2b^2
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 12:24:06
![(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3 [(x+y)^2-(x+y)(x+y)]÷2y(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3[(x+y)^2-(x+y)(x+y)]÷2y因式分解:x^3y-6x^2y^2+9xy^3(a^2+4b^2)2-16a^2b^2](/uploads/image/z/3738606-6-6.jpg?t=%EF%BC%88-1%2F3a%5E2b%5E2%29%5E2%28-2ab%5E2%29%5E3%C3%B7%281%2F9a%5E4b%5E4%29%5E3+%5B%28x%2By%29%5E2-%28x%2By%29%28x%2By%29%5D%C3%B72y%EF%BC%88-1%2F3a%5E2b%5E2%29%5E2%28-2ab%5E2%29%5E3%C3%B7%281%2F9a%5E4b%5E4%29%5E3%5B%28x%2By%29%5E2-%28x%2By%29%28x%2By%29%5D%C3%B72y%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9Ax%5E3y-6x%5E2y%5E2%2B9xy%5E3%28a%5E2%2B4b%5E2%292-16a%5E2b%5E2)
(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3 [(x+y)^2-(x+y)(x+y)]÷2y(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3[(x+y)^2-(x+y)(x+y)]÷2y因式分解:x^3y-6x^2y^2+9xy^3(a^2+4b^2)2-16a^2b^2
(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3 [(x+y)^2-(x+y)(x+y)]÷2y
(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3
[(x+y)^2-(x+y)(x+y)]÷2y
因式分解:
x^3y-6x^2y^2+9xy^3
(a^2+4b^2)2-16a^2b^2
(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3 [(x+y)^2-(x+y)(x+y)]÷2y(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3[(x+y)^2-(x+y)(x+y)]÷2y因式分解:x^3y-6x^2y^2+9xy^3(a^2+4b^2)2-16a^2b^2
(-1/3a^2b^2)^2(-2ab^2)^3÷(1/9a^4b^4)^3
=1/9a^4b^4×(-8a³b^6)÷(1/729的12次方b的12次方)
=-648/a的5次方b²
[(x+y)^2-(x+y)(x+y)]÷2y
=0÷2y
=0
x^3y-6x^2y^2+9xy^3
=xy(x²-6xy+9y²)
=xy(x-3y)²
(a^2+4b^2)2-16a^2b^2
=(a²+4b²+4ab)(a²+4b²-4ab)
=(a+2b)²(a-2b)²