✔ 最佳答案
6x^2+5x-3=0
a=6 b=5 c=-3
.....-b±√(b^2-4ac)
x=-----------------------
............2a
.....-5±√[(5)^2-4(6)(-3)]
=----------------------------------
...........2(6)
......-5±√[25+72]
=------------------------
............12
......-5±√97
=-----------------
........12
....-5+√97.....-5-√97
x=------------,---------------
......12............12
x=0.404071, -1.237405 answer//