Sagot :
Coucou!!! :)
G=(2x+3)2 -(4+3x)2
= 2x X 2 + 3 X 2 - (4X2 + 3x X 2)
= 2x X 2 + 3 X 2 - 4X2 - 3x X 2
= 4x + 6 - 8 - 6x
= 4x - 6x +6-8
= -2x -2
Voilà;)
factoriser G et developper et reduire G=(2x+3)2 -(4+3x)2
Coucou!!! :)
G=(2x+3)2 -(4+3x)2
= 2x X 2 + 3 X 2 - (4X2 + 3x X 2)
= 2x X 2 + 3 X 2 - 4X2 - 3x X 2
= 4x + 6 - 8 - 6x
= 4x - 6x +6-8
= -2x -2
Voilà;)