Bonsoir,
Relier les expressions égales:
A = 5x + 3 - (2x - 5)
A = 5x +3 - 2x + 5
A = 3x + 8
B = x^2 - (3x- x^2)
B = x^2 - 3x + x^2
B = 2x^2 - 3x
C = 4x^2 + 2 - (7x^2 + 3)
C = 4x^2 + 2 - 7x^2 - 3
C = -3x^2 - 1
D = 8x + 5 - (3x + 7)
D = 8x + 5 - 3x - 7
D = 5x - 2
Bonne soirée.
