else d < 0
{ System . out . println ( "Roots are complex NEW_LINE"); System . out . println ( - ( double ) b / ( 2 * a ) + " ▁ + ▁ i " + sqrt_val + "NEW_LINE" + - ( double ) b / ( 2 * a ) + " ▁ - ▁ i " + sqrt_val ) ; } }