Find the correct sum of the polynomials (4x³ − 2x − 9) + (2x³ + 5x + 3)

Algebraic expressions that have variables and coefficients are called polynomials.

Answer: The sum of the polynomials (4x³ − 2x − 9) and (2x³ + 5x + 3) is 6x³ + 3x − 6.

Let's add the given polynomials.

Explanation:

We add polynomials by adding the coefficients of the same power.

Thus, the sum of polynomials (4x³ − 2x − 9) and (2x³ + 5x + 3) is 6x³ + 3x − 6.