Решаем по формуле
x² + px + q = 0
применим формулы Виета
<span>X</span>,<span>+ X</span>,,<span>= -p X</span>,<span>* X</span>,,<span>=q</span>
<span>X</span>,<span>+ X</span>,,<span>=1 X</span>,<span>* X</span>,,<span>= -6</span>
<span>X</span>,<span>= -2 X</span>,,<span>=3</span>
Ответ:
Пошаговое объяснение: