Respuesta :

Answer:

- 5 x ^ 2 + 1 - 4 x

Step-by-step explanation:

First step is simplifying your answer.

− 7 x ^ 2 + 1 + 2 x ^ 2 − 4 x

Second step you will combine like terms.

( − 7 x ^ 2 + 2 x ^ 2 ) + 1 - 4 x

Third step is simplifying this is your answer.

- 5 x ^ 2 + 1 - 4 x