$9x^2+43x-10$

$-\frac{36}{\left(-\frac{8}{\left(-5+3\right)+\frac{12}{\left(-2+2\cdot4\right)}}\right)+3\cdot\left(-8\right)+3\cdot\left(-12+5\cdot2\right)}$

$343m^{3\:+\:64^3}$

$\frac { x ^ { 3 } - 3 } { x }$

$\frac{dy}{dx}ln\left(tan\left(ln\left(\frac{x}{y}\right)\right)\right)$

$-2x^2+5x+7$

$\left(4x+3\right)\left(x^2+9\right)$