(-65s^4+86s^2-24)/(-5s+2)
\(\frac{-65s^{4} + 86s^{2} - 24}{-5s + 2} = \frac{-(5s^{2}(13s^{2} - 12) - 2(13s^{2} - 12))}{-(5s) - (2)} = \frac{-(5s^{2} - 2)(13s^{2} - 12)}{-(5s + 2)} = \frac{(5s^{2} - 2)(13s^{2} - 12)}{5s + 2}\)
