Respuesta :

ktreyb
I'm assuming that the number after the variable is supposed to be the exponent.

[tex] 5x^{5}+8 x^{2} +2x-3x^{9}-8x^{4}-4x^{5}[/tex]

Combine like terms to get:

[tex]-3x^{9}+x^{5}-8x^{4}+8x^{2}+2x[/tex]