Odpowiedzi

2009-11-24T16:36:59+01:00
=2(a²-16)-3(a²+25)-4a+4=2a²-32-3a²-75-4a+4=-a²-4a-103
2009-11-24T16:38:19+01:00
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 ;)
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