$8x\cdot4x^2\cdot2x^6$

$\ln\left(-4-x\right)-\ln\left(3\right)=\ln\left(2-x\right)$

$10\left(x\:+\:2\right)\:+\:2\left(-x\:-\:5\right)$

$\lim_{x\to infinity}\left(\frac{sin\left(5x+1\right)}{sin\left(5x\right)}\right)$

$15c^2d\left(d-4\right)$

$\left(x+50\right)^2$

$e^{\ln\left(y\right)+y}$