请把3(a-b)x²-15(a-b)xy+18(b-a)y² 因式分解,3(a-b)x²-15(a-b)xy+18(b-a)y²
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![请把3(a-b)x²-15(a-b)xy+18(b-a)y² 因式分解,3(a-b)x²-15(a-b)xy+18(b-a)y²](/uploads/image/z/5409164-20-4.jpg?t=%E8%AF%B7%E6%8A%8A3%28a-b%29x%26%23178%3B-15%28a-b%29xy%2B18%28b-a%29y%26%23178%3B+%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%2C3%28a-b%29x%26%23178%3B-15%28a-b%29xy%2B18%28b-a%29y%26%23178%3B)
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请把3(a-b)x²-15(a-b)xy+18(b-a)y² 因式分解,3(a-b)x²-15(a-b)xy+18(b-a)y²
请把3(a-b)x²-15(a-b)xy+18(b-a)y² 因式分解,
3(a-b)x²-15(a-b)xy+18(b-a)y²
请把3(a-b)x²-15(a-b)xy+18(b-a)y² 因式分解,3(a-b)x²-15(a-b)xy+18(b-a)y²
原式=3﹙a-b﹚﹙x²-5x-6y²﹚
=3﹙a-b﹚﹙x+y﹚﹙x-6y﹚