A = -2 (y+3) pour y = 4,5 B = 2x2 +3x -2 pour x =-5 C = 5x-5-3x-6+4x D = 4y2+3y-6-2y2-y+5 E = (8x8+7x)+(-6+3x2)+(-6*-3) F = (a+7) * (a+2) G = (5+2x) * (3x-4) H
Mathématiques
Maysa20
Question
A = -2 (y+3) pour y = 4,5
B = 2x2 +3x -2 pour x =-5
C = 5x-5-3x-6+4x
D = 4y2+3y-6-2y2-y+5
E = (8x8+7x)+(-6+3x2)+(-6*-3)
F = (a+7) * (a+2)
G = (5+2x) * (3x-4)
H = (-4t-2) * (3t-10)
I = (x+9) * (5x-3)+4*(2x-5)
B = 2x2 +3x -2 pour x =-5
C = 5x-5-3x-6+4x
D = 4y2+3y-6-2y2-y+5
E = (8x8+7x)+(-6+3x2)+(-6*-3)
F = (a+7) * (a+2)
G = (5+2x) * (3x-4)
H = (-4t-2) * (3t-10)
I = (x+9) * (5x-3)+4*(2x-5)
1 Réponse
-
1. Réponse johanna29
A= -2 (4,5 +3)
= -2 + 7,5
= 5,5