Answer:
[tex]{ - 7s}^{4} + 4s - 6[/tex]
Step-by-step explanation:
[tex] = ( {3s}^{4} + 4s) - ( {10s}^{4} + 6)[/tex]
[tex] = {3s}^{4} + 4s- {10s}^{4} - 6[/tex]
[tex] = { - 7s}^{4} + 4s - 6[/tex]
