如何将这些题目因式分解?a²-4ab+4b²+3a-6b-4(x²+3x-3)(x²+3x+4)-8
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![如何将这些题目因式分解?a²-4ab+4b²+3a-6b-4(x²+3x-3)(x²+3x+4)-8](/uploads/image/z/13156822-46-2.jpg?t=%E5%A6%82%E4%BD%95%E5%B0%86%E8%BF%99%E4%BA%9B%E9%A2%98%E7%9B%AE%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%3Fa%26%23178%3B-4ab%2B4b%26%23178%3B%2B3a-6b-4%28x%26%23178%3B%2B3x-3%29%28x%26%23178%3B%2B3x%2B4%29-8)
如何将这些题目因式分解?a²-4ab+4b²+3a-6b-4(x²+3x-3)(x²+3x+4)-8
如何将这些题目因式分解?
a²-4ab+4b²+3a-6b-4
(x²+3x-3)(x²+3x+4)-8
如何将这些题目因式分解?a²-4ab+4b²+3a-6b-4(x²+3x-3)(x²+3x+4)-8
a²-4ab+4b²+3a-6b-4
=(a-2b)²+3(a-2b)-4
=(a-2b-1)(a-2b+4)
(x²+3x-3)(x²+3x+4)-8
=(x²+3x)²+(x²+3x)-12-8
=(x²+3x)²+(x²+3x)-20
=(x²+3x-4)(x²+3x+5)
=(x+4)(x-1)(x²+3x+5)