(8t-3)(2t+4)=(4t+1)²



Sagot :

(8t-3)(2t+4)=(4t+1)²

donc 16t²-6t+32t-12=16t²+8t+1

donc 18t=13

donc t=13/18

(8t-3)(2t+4)=(4t+1)²

 16t²-6t+32t-12=16t²+8t+1

 18t=13

 t=13/18