$\int\frac{2}{\left(4x^2+3\right)^{\frac{3}{2}}}dx$

$\frac{1}{7\:x\:7\:x\:7\:x\:7\:x\:7}$

$\int cos\left(x\right)\csc\left(x\right)dx$

$\left[\left(+6\right)\:-\:\left(-8\right)\right]\:-\:\left[\left(-\:4\right)\:-\:\left(-10\right)\right]\:\cdot$

$\frac{5}{1-x}=y+2$

$\left(xyz\right)\cdot\left(xyz\right)$

$-x^2+3x-4$