用公式法解下列方程要有步骤谢谢
(1)x^2-x-1=0
(2)2x^2-9x+8=0
(3)5x+2=3x^2
(4)3y^2+1=2√3y
(5)(2x-1)(x-2)=-1
(6)-3x^2+22x-24=0