Question

Решите уравнение:
1) x - 3/x + 1 = 0
2) x² - 16/x + 4 = 0
3) x + 2/ x² - 4 = 0
4) 5/ x + 7 - 3/ x - 7 = 0
5) x + 1/ x - 4 = 3x + 1/ 3x - 1
6) 9x - 7/ 3x - 2 - 4x - 5/ 2x - 3 = 1
7) x² + 20/ x² - 4 = x - 3/ x + 2 - 6/ 2 - x
8) 5/ x² -7x - x - 5/ x² + 7x - 9/ x² - 49 = 0​

Answer 1

S/b p.134 - Skills practice 2 ex.2,3; S/b p.19 ex.7 - Speaking ( Draw a picture and describe a scene)