subtract the first expression from the second 4a²+5b²-6c²+5,2a²-4b²-5c²-1
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Answer:
-2a²-9b²+c²-6
Step-by-step explanation:
2a²-4b²-5c²-1 - (4a²+5b²-6c²+5)
= 2a²-4b²-5c²-1 -4a²-5b²+6c²-5
= -2a²-9b²+c²-6
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