$\left(2^{-2}\right)^4\left(2^3\right)^3$

$\left(3x+1\right)^2=4\left(x+2\right)^2$

$\left(4-3i\right)^2$

$sin\left(cos^{-1}\left(\frac{x}{2}\right)-tan^{-1}\left(\frac{3}{y}\right)\right)$

$x^6-x^8$

$8\sin\left(x\right)=2+\csc\left(x\right)$

$x2\:-\:8x\:=\:-\:12\:$