Sagot :
Bonjour,
A=
+5x -7 +8 -4x -7 +3x
= 4x -6
B=
3x -5 -7x +4x -x² -3
= -x² -8
C=
-3x² +4x²-3x +7 +5 -3x -7x²
= -6x² -6x +5
D=
12x² +8x² +7x -3
= 20x² +7x -3
E= +2-2 = 0
F= -6 -7( 2+6)
= -6 -14 -42
= -62
G = 3*4 + 12 +9
= 12 + 21
= 33
Réponse:
Bonjour,
A=
+5x -7 +8 -4x -7 +3x
= 4x -6
B=
3x -5 -7x +4x -x² -3
= -x² -8
C=
-3x² +4x²-3x +7 +5 -3x -7x²
= -6x² -6x +5
D=
12x² +8x² +7x -3
= 20x² +7x -3
E= +2-2 = 0
F= -6 -7( 2+6)
= -6 -14 -42
= -62
G = 3*4 + 12 +9
= 12 + 21
= 33
Réponse: