Respuesta :
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]