因式分解; 1 4a²b²-(a²+b²-c²) 2 a³+3a²+3a+2
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![因式分解; 1 4a²b²-(a²+b²-c²) 2 a³+3a²+3a+2](/uploads/image/z/806570-26-0.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%3B+1+4a%26%23178%3Bb%26%23178%3B-%28a%26%23178%3B%2Bb%26%23178%3B-c%26%23178%3B%29+2+a%26%23179%3B%2B3a%26%23178%3B%2B3a%2B2)
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因式分解; 1 4a²b²-(a²+b²-c²) 2 a³+3a²+3a+2
因式分解; 1 4a²b²-(a²+b²-c²) 2 a³+3a²+3a+2
因式分解; 1 4a²b²-(a²+b²-c²) 2 a³+3a²+3a+2
1
4a²b²-(a²+b²-c²),题目可能有误.
2
a³+3a²+3a+2
=a³+2a²+a²+2a+a+2
=a²(a+2)+a(a+2)+(a+2)
=(a+2)(a²+a+1)