How much is 5a²–2ab+c² less than 2a²+7ab+2c² proper solution
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Answered by
12
Answer:
-3a²-9ab-c²
Step-by-step explanation:
2a²+7ab+2c²-(5a²-2ab+c²)
2a²-5a²+7ab+2ab+2c²-c²
-3a²+9ab+c²
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Answered by
2
Answer: -3a2+9ab+c²
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