Sagot :
Bonsoir
A= (3+5)+(6-2)(1-4)
A = (9x² +30x +25)+ 6x -24x² - 2 +8x
A = - 15x² +44x +23
A= (3+5)+(6-2)(1-4)
A = (9x² +30x +25)+ 6x -24x² - 2 +8x
A = - 15x² +44x +23