Respuesta :

Answer:

-5x^4 + 3

Step-by-step explanation:

Answer:

[tex]-5x^{4}[/tex]+3

Step-by-step explanation:

Add like terms: 3x^4 and -8x^4. Add them to get -5x^4. The 3 is left alone and added to the sum.

[tex]-5x^{4}[/tex]+3