simplifier au maximum les expressions suivantes :                                                                       O=7m+m²+2m+3*8-2                                                                                                                      L=8y+3y+y²+y*y+y*y*y+(5-1)²

Répondre :

O = m2 +9m -22
L = 8y +3y + y2 +y2 +y3+16
L = 11y +2y2 +y3 + 16

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