$5x\:.\:6x\:.\:2x$

$\frac{1-2\sin\left(x\right)\cos\left(x\right)}{\sin\left(x\right)^2-\cos\left(x\right)^2}$

$\frac{d}{dx}\left(arcsec\left(8x\right)\right)$

$-45\:+\:-10\:-\:35\:+\:19$

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

$\left(-7x^7y^{\frac{1}{2}}+4a^4b\right)^4$

$3x^2+x-9=5$