dir ldala mouchta9a ta3ha a7sab f'1 bdalalat a w bsawiha l0 touma ahsab f(1) bdalalat aw bW SAWIHA L-6 tal9a joumlat mou3adalatayn 4a-b=-8 W (2a -b):2=-7 halhoum tal9a a=3 wb=20 YO5ouya tha9a9 TALçA BLI F' tan3adim 3ind 9ima c w hia 1fina almounhana ya9bal mamassan mou3adalatouhou y= f(1)= 6 mouwazian mihwar lfawasal