Select the quadratic equation that has no real solution.
9 x squared minus 30 x minus 25 equals 0
9 x squared minus 25 x minus 30 equals 0
9 x squared minus 30 x plus 25 equals 0
9 x squared minus 25 x plus 30 equals 0
9 x squared minus 30 x minus 25 equals 0
9 x squared minus 25 x minus 30 equals 0
9 x squared minus 30 x plus 25 equals 0
9 x squared minus 25 x plus 30 equals 0