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

$\left(-x+sin\left(\frac{\pi}{8}\right)\right)^2$

$\lim_{x\to-1}\left(x+6\right)$

$\int\:\frac{1}{\sqrt{\left(x-3\right)^2-9}}dx$

$a^2+17a-60$

$63=56\left(1+0.004\left(a-20\right)\right)$

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