Sagot :

bonsoir,

A= (x-4)(x+4)

B= (1-y) (1+y)

C= (10x-3)(10x+3)

D= (6-9z)(6+9z)

E= (2pi-5)(2pi+5)

F=[(t+3) -4] [(t+3) +4]

G= [(2x+1)-5][ (2x+1) +5]

H= [(3i+7) -(i+5)][(3i+7) + ( i+5)] =

(3i+7-i-5) ( 3i+7 +i +5)=

(2i+2) (4i +12)