Bonjour ! Resoudre les equations x²=4 (2x-3)²=16 4(2x-1)²=81 (2x-5)² =(3x+2)²

x² = 4
x = √4
x = 2

( 2 x - 3)² = 16
2 x - 3 = 4
2 x = 7
x = 7/2

4 ( 2 x - 1)² = 81
4 ( 2 x - 1) = 9
8 x - 4 = 9
8 x = 13
x = 13/8

(2 x -5)² = (3 x - 2)²
2 x - 5 = 3 x - 2
2 x - 3 x = 3
- x = 3
x   = - 3