(1)14x^2-45x-14 (2)18x^2+3x-10 (3)8x^2-18x+9 (4)10x ^2-11x-6
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(1)14x^2-45x-14 (2)18x^2+3x-10 (3)8x^2-18x+9 (4)10x ^2-11x-6 (5)15x^2-47x+28 (6)x^2-17x+10
(1)14x^2-45x-14 (2)18x^2+3x-10 (3)8x^2-18x+9 (4)10x ^2-11x-6 (5)15x^2-47x+28(6)x^2-17x+10 (7)12x^2-x-6 (8)24x^2-2x-15 因式分解
(1)14x^2-45x-14 (2)18x^2+3x-10 (3)8x^2-18x+9 (4)10x ^2-11x-6 (5)15x^2-47x+28(6)x^2-17x+10 (7)12x^2-x-6 (8)24x^2-2x-15 因式分解
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(1)14x^2-45x-14=(7X+2)(2X-7)
(2)18x^2+3x-10 =(3X-2)(6X+5)
(3)8x^2-18x+9 =(2X-3)(4X-3)
(4)10x ^2-11x-6 =(2X-3)(5X+2)
(5)15x^2-47x+28 =(3X-7)(5X-4)
(6)x^2-7x+10=(X-2)(X-5)
第六题应该打字出错,我给你改正了
(1)14x^2-45x-14=(7X+2)(2X-7)
(2)18x^2+3x-10 =(3X-2)(6X+5)
(3)8x^2-18x+9 =(2X-3)(4X-3)
(4)10x ^2-11x-6 =(2X-3)(5X+2)
(5)15x^2-47x+28 =(3X-7)(5X-4)
(6)x^2-7x+10=(X-2)(X-5)
第六题应该打字出错,我给你改正了
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