ROQUEPLANALEX
Answered

Bonjour pouvez me faire ce calcul svp
F= (-3x + 4)(3x - 8) - (-3x + 4)(7x + 2)

Sagot :

A1111

F= (-3x + 4)(3x - 8) - (-3x + 4)(7x + 2)

F= -9x²+2x+12x-32 - (-21x²-6x+28x+8)

F= -9x²+2x+12x-32 +21x²+6x-28x-8

F=-9x²+21x²+2x+12x+6x-28x-32-8

F=12x²-8x-40