2a²+5a+3

To simplify the expression 2a² + 5a + 3, you can follow these steps:

Step 1: Rearrange the terms.
Write the expression in descending order of exponents:
2a² + 5a + 3

Step 2: Look for any like terms.
In this expression, the term "2a²" has a squared variable "a" and the term "5a" has a variable "a" to the power of 1. Since there are no other "a" terms, these two terms cannot be combined.

Step 3: Simplify further if possible.
Since there are no like terms to combine, the expression 2a² + 5a + 3 is already in its simplest form.

Therefore, the simplified form of 2a² + 5a + 3 is just 2a² + 5a + 3.