$\int5y^4\sqrt{6-5y^5}dy$

$5x-9\le0$

$\left(20.25\right)+\left(0.25\right)+\left(30.25\right)+\left(110.25\right)+\left(240.25\right)+\left(42.25\right)\:\:\:\:\:\:\:+\left(6.25\right)+\:\left(20.25\right)+\left(42.25\right)+\left(56.25\right)$

$81-100n^2$

$\frac{7+9\cos\left(y\right)}{9+7\sec\left(y\right)}$

$3\frac{dy}{dx}-y=12e^{-5}$

$\left(6a^3+5\right)\left(6a^3-7\right)$