Répondre :
Bonjour,
A = ( 2x + 5 ) ( x + 6 )
A = 2x² + 12x + 5x + 11
A = 2x² + 17x + 11
B = ( 3x + 8 ) ( 4x + 3 )
B = 12x² + 9x + 32x + 24
B = 12x² + 41x + 24
C = ( x - 2 ) ( 4 - x )
C = 4x - x² - 8 + 2x
C = 6x - x² - 8
Bonjour,
A = ( 2x + 5 ) ( x + 6 )
A = 2x² + 12x + 5x + 11
A = 2x² + 17x + 11
B = ( 3x + 8 ) ( 4x + 3 )
B = 12x² + 9x + 32x + 24
B = 12x² + 41x + 24
C = ( x - 2 ) ( 4 - x )
C = 4x - x² - 8 + 2x
C = 6x - x² - 8