x^4(四次方)+x³-3x²-4x-4 帮忙因式分解快答,在线等
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x^4(四次方)+x³-3x²-4x-4 帮忙因式分解快答,在线等
x^4(四次方)+x³-3x²-4x-4 帮忙因式分解
快答,在线等
x^4(四次方)+x³-3x²-4x-4 帮忙因式分解快答,在线等
x^4+x^3-3x^2-4x-4
=(x^4+x^3+x^2)-4x^2-4x-4
=x^2(x^2+x+1)-4(x^2+x+1)
=(x^2+x+1)(x^2-4)
=(x^2+x+1)(x+2)(x-2)
x^4+x^3-3x^2-4x-4
=(x^4+x^3+x^2)-4x^2-4x-4
=x^2(x^2+x+1)-4(x^2+x+1)
=(x^2+x+1)(x^2-4)
=(x^2+x+1)(x+2)(x-2)