Question

find the sum of polynomial 3a²+6b²-5c²,7a²-8b²-c²
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Answer 1

Answer:

3a²+6b²-5c²+7a²-8b²-c²=

10a²-2b²-6c²

hope this helps, pls mark this as the brainiest.

Answer 2

Step-by-step explanation:

I don't know the answer bnbhnmcxhjj