用公式法解下列方程快快

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...