👤

Sagot :

TEAMCE

Bonjour,

A= x(7x+2)-3x

A= 7x²+2x -3x

A= 7x²-x

B= 5(2,4x-5) - 3(x+1)

B= (12x -25) - (3x +3)

B= 12x -25 -3x -3

B= 9x-28

C= x²+2(8x-x²) -5x

C= x²+16x-2x²-5x

C= -x²+11x

Bonne journée.

© 2024 IDNLearn. All rights reserved.