résolu

Hi ,i am from the uk but i understand french.If someone could help me to solve this,i would be really pleased.
Thanks a lot

Hi I Am From The Uk But I Understand FrenchIf Someone Could Help Me To Solve Thisi Would Be Really Pleased Thanks A Lot class=

Répondre :

Rosette14ask

You must know that (a+b)² = a² + 2ab+b²

I attached a pic wz the answer.

Voir l'image Rosette14

Ask D'autres questions