吧下列各式分解因式 3xy-5y²+y;a²b-2ab²+ab;8a³b²-12ab³c;-4a³+16a²-18a
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![吧下列各式分解因式 3xy-5y²+y;a²b-2ab²+ab;8a³b²-12ab³c;-4a³+16a²-18a](/uploads/image/z/4311690-42-0.jpg?t=%E5%90%A7%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F+3xy-5y%26%23178%3B%2By%EF%BC%9Ba%26%23178%3Bb-2ab%26%23178%3B%2Bab%EF%BC%9B8a%26%23179%3Bb%26%23178%3B-12ab%26%23179%3Bc%EF%BC%9B-4a%26%23179%3B%2B16a%26%23178%3B-18a)
吧下列各式分解因式 3xy-5y²+y;a²b-2ab²+ab;8a³b²-12ab³c;-4a³+16a²-18a
吧下列各式分解因式 3xy-5y²+y;a²b-2ab²+ab;8a³b²-12ab³c;-4a³+16a²-18a
吧下列各式分解因式 3xy-5y²+y;a²b-2ab²+ab;8a³b²-12ab³c;-4a³+16a²-18a
3xy-5y²+y
=5xy-2xy-5y²+y
=5y(x-y)-y(2x+1)
a²b-2ab²+ab
=ab(a-2b+1)
8a³b²-12ab³c
=4ab²(2a²-3bc)
-4a³+16a²-18a
=-4a(a²+4a-9/2)