Предмет: Алгебра, автор: kova26alina10

Розв’яжіть рівняння 6х²+х-7=0

Ответы

Автор ответа: kristinakr1

Відповідь:

6x^2+x-7=0

6x^2+7x-6x-7=0

x*(6x+7)-(6x+7)=0

(6x+7)*(x-1)=0

6x+7=0

x-1=0

x=-7/6

x=1

Пояснення:

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Английский язык, автор: Kasivan

Помогите пожалуйста!

Complete the text (дополните текст).

The weather (1) ...going to be fine. Our family (2) ...going to spend the holidays in the country. Mother (3) ...going to pick flowers and mushrooms. Father (4) ...going to go fishing. My sister asks, "(5) ...you going to swim? I (6) ...going to go with you!" My friends say, "You (7) ...going to sunbathe. And we (8) ...going to watch TV." They (9) ...going to have fun. And I want to spend the summer in the city and ride my bike but nobody (никто) (10) ...going to listen to me.

Я не понимаю, что сдесь нужно дополнять?

2 года назад

Предмет: Русский язык, автор: ilyamihel

5 слов с безударной гласной и проверочные слова к ним

2 года назад

Предмет: Английский язык, автор: Footballer7

1. There were a lot of (fruit \ fruits) on the plate: apples, grapes and oranges. 2. There is a (vocabulary \ dictionary) at the end of our textbook. 3. Can I have some (paper \ papers) to write on? 4. What time do you leave the (house \ home) in the morning? 5. He spoke very little French so I talked to him through (a translator \ an interpreter). 6. How much sugar do you want? – Two (platefuls \ spoonfuls), please. 7. I said to myself, “(Go to sleep \ Fall asleep!) But I couldn’t. 8. The orange tastes (bitter \ bitterly). 9. My father’s brother is my (cousin \ uncle). 10. What time does the (last \ latest) bus leave? 11. Mary’s (older \ elder) sister has been staying in the USA for seven years now. 12. What do you think of your (farther \ further) education? 13. Excuse me, where is the (nearest \ next) telephone box? 14. It’s difficult to understand people when they (murmur \ mumble). 15.We stopped on the path and admired the (flock \ pack) of birds flying together to the south. 16. (On \ At) a dark night I watched a moving light in the sky. 17. Betsy (dropped \ threw) the vase and it broke. 18. They are celebrating their (gold \ golden) wedding in July. 19.Can you (mend \ repair) my old watch? 20. – Had a good holiday? – Yes. Look at these (photos \ photoes)!

2 года назад

Предмет: Математика, автор: yugolovin

Доказать, что существует бесконечно много натуральных чисел, которые НЕЛЬЗЯ представить в виде суммы квадратов трех целых чисел.
Например, 7 нельзя представить в таком виде, а, 1 - можно: 1=1^2+0^2+0^2

8 лет назад

Предмет: Геометрия, автор: Кацудон

Помогите пожалуйста 2,5 и6

8 лет назад