SOLUTION: Find the sum or difference: (5a-3a^squared)+(8+7a) Thanks!

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Question 443382: Find the sum or difference:
(5a-3a^squared)+(8+7a)
Thanks!
Answer by Leaf W.(135) About Me  (Show Source):
You can put this solution on YOUR website!
%285a+-+3a%5E2%29+%2B+%288+%2B+7a%29
5a+-+3a%5E2+%2B+8+%2B+7a
Rearrange order: 5a+%2B+7a+-+3a%5E2+%2B+8
Combine like terms: 12a+-+3a%5E2+%2B+8
Rearrange order: -3a%5E2+%2B+12a+%2B+8
CANNOT SIMPLIFY FURTHER
Therefore, your final answer is -3a%5E2+%2B+12a+%2B+8