x³-2x²-3x,因式分解,
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x³-2x²-3x,因式分解,
x³-2x²-3x,因式分解,
x³-2x²-3x,因式分解,
x³-2x²-3x
=x(x²-2x-3)
=x(x-3)(x+1)
x³-2x²-3x=x(x²-2x-3)=x(x-3)(x+1)
x³-2x²-3x
=x(x²-2x-3)
=x(x+1)(x-3)
x³-2x²-3x=x(x²-2x-3)=x(x+1)(x-3)
x³-2x²-3x
=x(x²-2x-3)
=x(x-3)(x+1)
=X(X^2-2X-3)
=X(X-3)(X+1)