$\frac{d^2}{dx^2}\left(2xy^2\right)$

$\int\ln\:\left(e^{\sin\:\left(30^{\circ\:}\right)+e^x}\right)dx$

$3y+\sin\left(2t\right)dt=dy$

$\left(7xy^3-2y\right)\left(7a^3+2abc\right)$

$5a^{-1-2}$

$1000x^{12}-64$

$\frac{3}{2}\left(x+y\right)-\frac{5}{4}y=\frac{1}{2}\left(y+2\right)$