$1m^2-2m^2-7m$

$\frac{60x^{7\:}b^2}{-45x^2b^7}$

$\left(6xy+\frac{1}{3}z^{3}\right)^{3}$

$1-tan\left(x\right)=\frac{cos\left(x\right)}{cos\left(x\right)}+\frac{-sin\left(x\right)}{cos\left(x\right)}$

$5^264$

$\tan^{-1}\sqrt{x}=\sec^{-1}\sqrt{2x}$

$4\sin\left(x\right)-\sqrt{2}=\sqrt{2}$