Respuesta :

ashley1948oxzgzu

Step-by-step explanation:

Let's combine the like terms first, which are x^2 & -3x^2, and 3x & -4x.

x^2 -3x^2 is -2x^2. 3x -4x is -x.

The final, simplified expression would be -2x^2 -x.

Answer:

-2x²-x

Step-by-step explanation:

x² + 3x - 3x² - 4x

You need to simplify

x² -3x²=-2x²

and

[tex]3x - 4x = - x[/tex]

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