(a²-b²) 3(a²-b²)-18 分解因式 急用!
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![(a²-b²) 3(a²-b²)-18 分解因式 急用!](/uploads/image/z/1962126-54-6.jpg?t=%28a%26%23178%3B-b%26%23178%3B%29+3%28a%26%23178%3B-b%26%23178%3B%29-18+%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F+%E6%80%A5%E7%94%A8%21)
(a²-b²) 3(a²-b²)-18 分解因式 急用!
(a²-b²) 3(a²-b²)-18 分解因式 急用!
(a²-b²) 3(a²-b²)-18 分解因式 急用!
(a²-b²) -3(a²-b²)-18
=2(a²-b²)²-18
=2【(a²-b²)²-9】
=2(a²-b²+3)(a²-b²+3)
(a²-b²)3(a²-b²)-18
=3(a²-b²)²-18
=3【(a²-b²)²-6】
=3(a²-b²+√6)(a²-b²+√6)