Substract the following.
- 4a^2 + 5b^2 -6c^2+7 from 3a^2 - 4b^2 – 5c² -6
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Answer:
= (3a²-4b²-5c²-6) - (- 4a² + 5b² -6c²+7)
= 3a²-4b²-5c²-6 + 4a² - 5b² + 6c²-7
= 3a²+4a² -4b²-5b² -5c²+6c² -6-7
= 7a²-9b²+c²-13
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Answer:
the ans (-1a^2 + 1b^2 - 11c^2 + 1)
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