Bonjour,
M=
-12x +20 +x+1=
-11x +21
E=
-6x² -10x +12x +20 -x² +x -8=
-5x² +3x +12
G=
x² +10x +25 + 9x² -24x +16 =
10x² -14x +41
A=
81x² +9x -9x +1 + 2x² +5x -2x -5=
83x² +3x -4
