Answer:
Step-by-step explanation:
AI-generated answer
To simplify 2a - ², we need to combine like terms.
1. The expression 2a - ² can be rewritten as 2a - a².
2. We can then factor out an 'a' from both terms: a(2 - a).
Therefore, the simplified form of 2a - ² is a(2 - a).