High School

Which expression is equivalent to [tex](2x^6 + x^3) - (x^5 + 4x^3)[/tex]?

A. [tex]2x^6 + 7x^3[/tex]
B. [tex]2x^6 - x^5 - 3x^3[/tex]
C. [tex]3x^6 - x^5 - 3x^3[/tex]
D. [tex]3x^6 - x^5 + 7x^3[/tex]