因式分解:6x^4+7x^3-36x^2-7x+6 高手请解一下!我要的是过程!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111
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因式分解:6x^4+7x^3-36x^2-7x+6 高手请解一下!我要的是过程!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111
因式分解:6x^4+7x^3-36x^2-7x+6 高手请解一下!
我要的是过程!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111
因式分解:6x^4+7x^3-36x^2-7x+6 高手请解一下!我要的是过程!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111
6x^4+7x^3-36x^2-7x+6
=(6x^4+x^3-x^2)+(6x^3+x^2-x)+(-36x^2-6x+6)
=x^2(6x^2+x-1)+x(6x^2+x-1)-6(6x^2+x-1)
=(6x^2+x-1)(x^2+x-6)
=(2x+1)(3x-1)(x-2)(x+3).
=(x-2)(6x^3+19x^2+2x-3)
6x^4+7x^3-36x^2-7x+6
=(x-2)(6x^3+19x^2+2x-3)
=(x-2)(x+3)(6x^2+x-1)
=(x-2)(x+3)(2x+1)(3x-1)
6x^4+7x^3-36x^2-7x+6
=(6x^4+7x^3-36x^2-7x+6)/(x-2)*(x-2)
=(x-2)(6x^3+19x^2+2x-3)(通过较复杂的十字相乘法)
=(x-2)(x+3)(6x^2+x-1)
=(x-2)(x+3)(2x+1)(3x-1)
注:x^a表示x的a次方(a为未知数)
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