化简:-8(x-1)(3+x)
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化简:-8(x-1)(3+x)
-8(x-1)(3+x)
=-8(3x+x²-3-x)
=-8(x²+2x-3)
=-8x²-16x+24
=-8(3x+x^-3-x)
=-8x^-16x+24
=-x^-2x+3
化简:-8(x-1)(3+x)
-8(x-1)(3+x)
=-8(3x+x²-3-x)
=-8(x²+2x-3)
=-8x²-16x+24
=-8(3x+x^-3-x)
=-8x^-16x+24
=-x^-2x+3