अलजेब्रिक एक्सप्रेशन ऑफ क्लास सेवंथ फाइंड द वैल्यू ऑफ
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Answer:
6b
Step-by-step explanation:
First, we need to find the sum of 2a3 – 3b3– 3ab + 7 and – a3 + b3 + 3ab – 9. = (2a3 – 3b3– 3ab + 7) + (- a3 + b3 + 3ab = 6b
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