分解因式⑴x³y-4x=⑵a³+2a²+a=⑶﹙-a²b﹚²•a=⑷2a^3b^4﹢12a³b²=⑸(a-1)(a+2﹚=⑹(½a-2)²=
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 01:26:45
![分解因式⑴x³y-4x=⑵a³+2a²+a=⑶﹙-a²b﹚²•a=⑷2a^3b^4﹢12a³b²=⑸(a-1)(a+2﹚=⑹(½a-2)²=](/uploads/image/z/15055248-48-8.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E2%91%B4x%26%23179%3By-4x%EF%BC%9D%E2%91%B5a%26%23179%3B%2B2a%26%23178%3B%2Ba%EF%BC%9D%E2%91%B6%EF%B9%99-a%26%23178%3Bb%EF%B9%9A%26%23178%3B%26%238226%3Ba%EF%BC%9D%E2%91%B72a%5E3b%5E4%EF%B9%A212a%26%23179%3Bb%26%23178%3B%3D%E2%91%B8%28a-1%29%28a%2B2%EF%B9%9A%EF%BC%9D%E2%91%B9%28%26%23189%3Ba-2%29%26%23178%3B%EF%BC%9D)
分解因式⑴x³y-4x=⑵a³+2a²+a=⑶﹙-a²b﹚²•a=⑷2a^3b^4﹢12a³b²=⑸(a-1)(a+2﹚=⑹(½a-2)²=
分解因式⑴x³y-4x=⑵a³+2a²+a=
⑶﹙-a²b﹚²•a=⑷2a^3b^4﹢12a³b²=⑸(a-1)(a+2﹚=⑹(½a-2)²=
分解因式⑴x³y-4x=⑵a³+2a²+a=⑶﹙-a²b﹚²•a=⑷2a^3b^4﹢12a³b²=⑸(a-1)(a+2﹚=⑹(½a-2)²=
(1)
x³y-4x=x(x²y-4)
(2)
a³+2a²+a
=a(a²+2a+1)
=a(a+1)²
(3)
(-a²b)²·a=a⁴b²·a=a^5 b²
(4)
2a³b⁴+12a³b²=2a³b²(b²+6)
(5)
(a-1)(a+2)=a²+a-2 这个不是因式分解
(6)
(½a-2)²=¼a² -2a+4