Subtract 2a3 -4a2+13 from the sum of 7a3+3a+7 and 3a3-3a2+4a+5
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Answer:
8a³+7a²+7a-1
Addition
- Do the sum of 7a³+3a+7 and 3a³-3a²+4a+5.
- After adding you get the answer has 10a³+3a²+7a+12.
Subtraction
- Now subtract the answer 10a³+3a²+7a+12 to 2a³-4a²+13.
- When you subtract the signs change.
- At last you get the answer has 8a³+7a²+7a-1.
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Answer:
8a3+7a2+7a-1
Step-by-step explanation:
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