$\lim_{x\to0}\left(\frac{x^2\cos\left(x\right)}{\sqrt{\sin\left(x\right)}}\right)$

$\left(\frac{\left(m^6n^4\right)}{m^2n^6}\right)^3$

$-256+\left(-5\right)\cdot\left(-6\right)$

$\left(12x^2y-5\right)dx+\left(4x^3+5y\right)dy$

$\frac{64x^{6}-343y^{9}}{4x^{2}-7y^{3}}$

$\left(y-2\right)\left(y-7\right)$

$64.2\:+\:0.04\:+\:18\:+\:17.376\:+\:0.4219$