Question

Все кроме 10❤️Пожалуйстааааа❤️умоляююю ❤️❤️❤️

Answer 1

6. –3x^2 + 2x + x^2 – 4x + 2x^2 = –11
–2x = –11
х = 5,5

7. 3х^2 – 4х – х^2 – х – 2х^2 = 1 + 3
–5х = 4
х = –4/5

8. х^2 – 3х + х^2 + 2х – 2х^2 = 3+2
–х = 5
х = –5

9. –3х^2 + 3х + х^2 – 4х + 2х^2 = 13
–х = 13
х = –13