=2(a²-16)-3(a²+25)-4a+4=2a²-32-3a²-75-4a+4=-a²-4a-103
2(a-4)²-3(a+5)²-4(a-1)= 2(a²-16)-3(a²+25)-4(a-1) = 2a² - 32-3a²-75-4a+4 = -5a²-103 RACZEJ DOBRZE ;)