Bonjour, voici l'ex :/ C=3×+5−7×+2×−6×−6 d=4×−5+6ײ+4−2ײ−×+ײ−7× Ε=3÷5×−4+4×−7÷15×+3÷2 (Je précise que "×" est une lettre, une inconnu). Voilà ;)
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Bonjour,C=3×+5−7×+2×−6×−6
C = 3x + 2x - 7x - 6x + 5 - 6
C = 5x - 13x - 1
C = - 8x - 1
d=4×−5+6ײ+4−2ײ−×+ײ−7×
D = 6x² - 2x² + 4x - 7x - 5 + 4
D = 4x² - 3x - 1
Ε=3÷5×−4+4×−7÷15×+3÷2
E = 3/5x - 4 + 4x - 7/15x + 3/2
E = 9/15x - 7/15x + 60/15x - 8/2 + 3/2
E = 62/15x - 5/2
bonjour
C=3×+5−7×+2×−6×−6
c =3x-7x+2x-6x-6+5
c = -8x-1
d=4×−5+6ײ+4−2ײ−×+ײ−7×
= 6x²-2x²+x²+4x-x-7x-5+4
= 5x²-4x-1
Ε=3÷5×−4+4×−7÷15×+3÷2
3/5x +4x-7/15x-4+3/2
-4/15x+60/15x-8/2+3/2
56/15x -5/2