High School

Simplify the following expression:

[tex]3x^4 + 2x^3 - 5x^2 + 4x^2 + 6x - 2x - 3x^4 + 7x^5 - 3x^3[/tex]

A. [tex]7x^5 + 6x^4 - x^3 - x^2 + 4x[/tex]

B. [tex]7x^5 - x^3 - x^2 + 4x[/tex]

C. [tex]7x^5 - 6x^4 + 5x^3 - x^2 + 4x[/tex]

D. [tex]10x^4 + x^3 + x^2 + 4x[/tex]