Respuesta :

[tex]Hello[/tex] [tex]There![/tex]

The answer is...

[tex]3x^2+x[/tex]

HERE'S A EXPLANATION!

[tex]2x^2-4x+1+5x+x^2-1[/tex]

[tex]=2x^2+-4x+1+5x+x^2+-1[/tex]

Combine these like terms!

[tex]=2x^2+-4x+1+5x+x^2+-1[/tex]

[tex]=(2x^2+x^2)+(-4x+5x)+(1+-1)[/tex]

[tex]=3x^2+x[/tex]

ANSWER!

[tex]=3x^2+x[/tex]

Hopefully, this helps you!!

[tex]AnimeVines[/tex]