2x4-11x3+22x2-19x+6
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解决时间 2021-03-28 15:20
- 提问者网友:原来太熟悉了会陌生
- 2021-03-28 05:46
2x4-11x3+22x2-19x+6
最佳答案
- 五星知识达人网友:山有枢
- 2021-03-28 06:34
原式=2x4-11x3+9x2+13x2-19x+6,
=(2x4-11x3+9x2)+(13x2-19x+6),
=x2(2x2-11x+9)+(x-1)(13x-6),
=x2(x-1)(2x-9)+(x-1)(13x-6),
=(x-1)[x2(2x-9)+13x-6],
=(x-1)[2x3-9x2+13x-6],
=(x-1)[2x3-2x2-7x2+13x-6],
=(x-1)[2x2(x-1)-(7x2-13x+6)],
=(x-1)[2x2(x-1)-(x-1)(7x-6)],
=(x-1)[(x-1)(2x2-7x+6)],
=(x-1)2(x-2)(2x-3).
=(2x4-11x3+9x2)+(13x2-19x+6),
=x2(2x2-11x+9)+(x-1)(13x-6),
=x2(x-1)(2x-9)+(x-1)(13x-6),
=(x-1)[x2(2x-9)+13x-6],
=(x-1)[2x3-9x2+13x-6],
=(x-1)[2x3-2x2-7x2+13x-6],
=(x-1)[2x2(x-1)-(7x2-13x+6)],
=(x-1)[2x2(x-1)-(x-1)(7x-6)],
=(x-1)[(x-1)(2x2-7x+6)],
=(x-1)2(x-2)(2x-3).
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