x^4+7x^3+14x^2+7x+1
= x^4+7x^3+12x^2 + 2x^2+7x + 1
= (x^2+3x)(x^2+4x) + x^2+3x + x^2+4x + 1
=(x^2+3x)(x^2+4x+1)+(x^2+4x+1)
= (x^2+3x+1)*(x^2+4x+1)
x^4+7x^3+14x^2+7x+1因式分解详细过程,
x^4+7x^3+14x^2+7x+1因式分解详细过程,
数学人气:150 ℃时间:2019-12-01 13:12:09
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