Sagot :

maudmarine

Bonjour

1) (3x - 4)² = 9x² - 24x + 16

2) 16x + 4x² = 4x (x + 4)

3) - 7x + 6 = 11x - 8

- 7x - 11x = - 8 - 6

- 18x = - 14

x = 14/18

x = 7/9