Yoshiaki Yoshiaki 29-09-2023 Mathematics Middle School Which expression is equivalent to [tex](5x^7 + 7x^8) - (4x^4 - 2x^8)[/tex]?A. [tex]3x^8 + 7x^7[/tex] B. [tex]9x^8 + 5x^7 - 4x^4[/tex] C. [tex]5x^8 + 5x^7 + 4x^4[/tex] D. [tex]12x^8 - 2x^4[/tex]