Answer/Step-by-step explanation:
Expanding the brackets, we get:
7a² + 2a - 5 - 2a² + 7a + 1
Simplifying and collecting like terms:
5a² + 9a - 4
Therefore, the answer is 5a² + 9a - 4.
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Answer/Step-by-step explanation:
Expanding the brackets, we get:
7a² + 2a - 5 - 2a² + 7a + 1
Simplifying and collecting like terms:
5a² + 9a - 4
Therefore, the answer is 5a² + 9a - 4.