Verified answer

Bonsoir;

A= 4x +2

B= -2x -4y -5

C  = t²  -9t -7

D =  6x² -8

E = 7x² +3

F =  9y² -7

G = 6x² -3x -2

H = 3x³-4x² +12x +4

I = -3x³ -3x² +16x -5