Réponse :

Explications étape par étape

Bonjour

3x - 2 = -5x + 3 - x

3x + 5x + x = 3 + 2

9x = 5

x = 5/9

3(2x - 4) - 6x = (x + 2) + 3x

6x - 12 - 6x = x + 2 + 3x

4x = -12 - 2

x = -14/4

x = -7/2

x^2 = 36

x^2 - 36 = 0

x^2 - 6^2 = 0

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

x - 6 = 0 ou x + 6 = 0

x = 6 ou x = -6

(2x + 6)(-2x + 3) = 0

2(x + 3)(-2x + 3) = 0

x + 3 = 0 ou -2x + 3 = 0

x = -3 ou 2x = 3

x = -3 ou x = 3/2

4x^2 - 1 = 11

4x^2 - 12 = 0

4(x^2 - 3) = 0

Ou