用公式法解下列方程快快
3x²-6x-2=0
x²+4x+8=4x+11
x(2x-4)=5-8x
人气：479 ℃ 时间：2020-02-06 03:56:20
解答
3x²-6x-2=0x1=(6+(36+24)^0.5)/(2*3)=(6+60^0.5)/6=(6+2*(15^0.5))/6=(3+(15^0.5))/3=1+(5/3)^0.6x2=(6-(36+24)^0.5)/(2*3)=(6-60^0.5)/6=(6-2*(15^0.5))/6=(3-(15^0.5))/3=1-(5/3)^0.6x²...
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