Find the excess of 4a^2 + 4b^2 + 4c^2 over a2+3b^2-5c^2
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Answer:
3a²-b²+9c²
Step-by-step explanation:
Excess= (4a²+4b²+4c²)-(a²+3b²-5c²)
=4a²+4b²+4c²-a²-3b²+5c²
=3a²-b²+9c²
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