Respuesta :

Step by Step Explanation:

x5−3x4+x2−4+5x4+3x2+2x+1

=x5+−3x4+x2+−4+5x4+3x2+2x+1

Combine Like Terms:

=x5+−3x4+x2+−4+5x4+3x2+2x+1

=(x5)+(−3x4+5x4)+(x2+3x2)+(2x)+(−4+1)

=x5+2x4+4x2+2x+−3

Answer:

x5+2x4+4x2+2x−3