Решите уравнение 1) 16х2-2х-5=0 2) 28х2-36х+11=0 3) -49х2=+21х-2=0 Помогите пожалуйста

1. Beacon,meat,eggs,cucumber, tomato , cheese , mayonnaise , salt , herbs , pepper , garlic , onion , carrot , celery , parsley, spinach.2. Breakfast, lunch,dinner,afternoon snack,dinner.3. Fat Caesar, chops, salad, roasted Turkey.5. Meat,fish,potatoes,pasta.6. Fry7. Of eggs,greens , milk.8. With milk.9. The chips are too thin and hazardous,and the chips thick and less harmful.10. The tea party. An afternoon snack.11. Orange, tangerine, Apple, gooseberry, coconut.12. Boil, braise, spicate.13. Appetitethe14. Да,конечно.

1)D=324 X1/2=2+-1832 X1=516 x2=-16