Complex sentence: The consolidations were painful and destroyed the DEC and "HP Way" engineer-oriented cultures, but the combined company did know how to sell complex systems to enterprises and profit, so it was an improvement for the surviving NonStop division and its customers.
Split into simpler sentences: The consolidations were painful and destroyed the DEC and'HP Way' engineer-oriented cultures. But the combined company did know how to sell complex systems to enterprises and profit, so it was an improvement for the surviving NonStop division and its customers.