Respuesta :

no real solutions is your answer
x = [-b±√b²-4ac]/2a
x= [-6±√{6² -4×1×15} /2×1
x= [-6±√(36- 60)]/2
x= [-6±√-24]/2
x= [-6± í2√6] /2
x = -3±2√6ì
x= -3+2√6ì or x= -3-2√6ì

where ì= √-1