因式分解:a³x四次方+2a²bx²-x+ab²+b=0答案(ax²-x+b)(a²x²+ax+ab+1)=0
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![因式分解:a³x四次方+2a²bx²-x+ab²+b=0答案(ax²-x+b)(a²x²+ax+ab+1)=0](/uploads/image/z/635756-68-6.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9Aa%26%23179%3Bx%E5%9B%9B%E6%AC%A1%E6%96%B9%2B2a%26%23178%3Bbx%26%23178%3B-x%2Bab%26%23178%3B%2Bb%3D0%E7%AD%94%E6%A1%88%EF%BC%88ax%26%23178%3B-x%2Bb%29%28a%26%23178%3Bx%26%23178%3B%2Bax%2Bab%2B1%29%3D0)
因式分解:a³x四次方+2a²bx²-x+ab²+b=0答案(ax²-x+b)(a²x²+ax+ab+1)=0
因式分解:a³x四次方+2a²bx²-x+ab²+b=0
答案(ax²-x+b)(a²x²+ax+ab+1)=0
因式分解:a³x四次方+2a²bx²-x+ab²+b=0答案(ax²-x+b)(a²x²+ax+ab+1)=0
a³x四次方+2a²bx²-x+ab²+b
=(a³x四次方-a²x³+a²bx²)+(a²x³-ax²+abx)+(a²bx²-abx+ab²)+ax²-x+b
=a²x²(ax²-x+b)+ax(ax²-x+b)+ab(ax²-x+b)+(ax²-x+b)
=(ax²-x+b)(a²x²+ax+ab+1)=0
a³x4 +2a²bx²-x+ab²+b
=(a³x4-a²x³+a²bx²)+(a²x³-ax²+abx)+(a²bx²-abx+ab²)+ax²-x+b
=a²x²(ax²-x+b)+ax(ax²-x+b)+ab(ax²-x+b)+(ax²-x+b)
=(ax²-x+b)(a²x²+ax+ab+1)