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1. (b +7)(b˄2 + 14b + 49)
2. (a + 5)(a˄2 + 10a +25)
3. (8 - c)(64 -16c + c˄2)
4. (3m – 8)(9m˄2 - 48m + 64)
5. (x + 2)(3x˄2 – x – 6)