、分解因式:x5-2x4-3x3+x2-2x-3.

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、分解因式:x5-2x4-3x3+x2-2x-3.、分解因式:x5-2x4-3x3+x2-2x-3.、分解因式:x5-2x4-3x3+x2-2x-3.x5-2x4-3x3+x2-2x-3.=x^3(x

、分解因式:x5-2x4-3x3+x2-2x-3.
、分解因式:x5-2x4-3x3+x2-2x-3.

、分解因式:x5-2x4-3x3+x2-2x-3.
x5-2x4-3x3+x2-2x-3.
=x^3(x^2-2x-3)+(x^2-2x-3)
=(x^3+1)(x^2-2x-3)
=(x+1)(x^2-x+1)(x+1)(x-3)
=(x+1)^2(x^2-2x-3)(x-3)

(x-3)(x+1)(x+1)(x^2-x+1)