因式分解:6x11xy+3y 3m-7mn-6n (2x+3y-3)(2x+3y+7)-因式分解:6x11xy+3y3m-7mn-6n(2x+3y-3)(2x+3y+7)-11
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![因式分解:6x11xy+3y 3m-7mn-6n (2x+3y-3)(2x+3y+7)-因式分解:6x11xy+3y3m-7mn-6n(2x+3y-3)(2x+3y+7)-11](/uploads/image/z/2681352-0-2.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A6x11xy%2B3y+3m-7mn-6n+%282x%2B3y-3%29%282x%2B3y%2B7%29-%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A6x11xy%2B3y3m-7mn-6n%282x%2B3y-3%29%282x%2B3y%2B7%29-11)
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因式分解:6x11xy+3y 3m-7mn-6n (2x+3y-3)(2x+3y+7)-因式分解:6x11xy+3y3m-7mn-6n(2x+3y-3)(2x+3y+7)-11
因式分解:6x11xy+3y 3m-7mn-6n (2x+3y-3)(2x+3y+7)-
因式分解:
6x11xy+3y
3m-7mn-6n
(2x+3y-3)(2x+3y+7)-11
因式分解:6x11xy+3y 3m-7mn-6n (2x+3y-3)(2x+3y+7)-因式分解:6x11xy+3y3m-7mn-6n(2x+3y-3)(2x+3y+7)-11
(2x+3y-3)(2x+3y+7)-11=(2x+3y)^2+4(2x+3y)-21-11
=(2x+3y)^2+4(2x+3y)-32
=(2x+3y+8)(2x+3y-4)
第1题看不明白,第2题不能分解
收起