/**有需要自取，必须标明出处

  • @param a Number, b Number, c Number
  • @return String

*/
var Solution = function(a, b, c){

var d=b*b-4*a*c
if(d<0)
{
    return false
}else if(d===0)
{
    var e=(-b)/(2*a)
    return e.toFixed(1)
}else
{
    var q=((-b)+Math.pow(d,0.5))/(2*a)
    var w=((-b)-Math.pow(d,0.5))/(2*a)
    return w.toFixed(1)+" "+q.toFixed(1)
}

};