因式分解 -5x³+10x²-15x
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因式分解 -5x³+10x²-15x
因式分解 -5x³+10x²-15x
因式分解 -5x³+10x²-15x
-5x³+10x²-15x
=-5x(x²-2x+3)
=-5x(x+1)(x-3)
-5x³+10x²-15x
=-5x(x²-2x+3)
=-5x(x-3)(x+1)
因式分解 -5x³+10x²-15x
因式分解 -5x³+10x²-15x
因式分解 -5x³+10x²-15x
-5x³+10x²-15x
=-5x(x²-2x+3)
=-5x(x+1)(x-3)
-5x³+10x²-15x
=-5x(x²-2x+3)
=-5x(x-3)(x+1)