Sagot :
Bonjour,
(11x -3)(-2x + 11) – (2x+1)(11x -3)
= -22x² +121x + 6x -33 - ( 22x² -6x +11x - 3)
= -22x² +121x + 6x -33 - 22x² +6x -11x + 3
= -44x² +122x -30
Bonsoir,
Réduire:
A= (11x -3)(-2x + 11) – (2x+1)(11x -3)
A= -22x²+6x+121x-33-(22x²+11x-6x-3)
A= -22x²+127x-33-22x² -5x+3
A= -44x²+122x-30