$\frac{126}{17.146428199482248}$

$\sqrt{5-4^2+4\left(4\right)}$

$\frac{d}{dx}x^2sin\:2x$

$9a-18$

$\frac{\cos\left(5g\right)}{\sin\left(g\right)}-\frac{\sin\left(5g\right)}{\cos\left(g\right)}=\frac{\cos\left(6g\right)}{\sin\left(g\right)\cdot\cos\left(g\right)}$

$10m^3\sqrt{36}$

$\int\left(\left(x-3\right)\left(x-5\right)^5\right)dx$