$4x^3\cdot0.5x^2-3x-1$

$4y\:+3\left(y-2\right)<\:7y$

$-\frac{2tu^5v^{10}}{\left(4t^2v\right)^2}$

$\int\frac{x}{\left(x^2-2\right)\sqrt{\left(x\right)^4-4x^2+5}}dx$

$\int\frac{sec\left(x\right)^2}{tan\left(x\right)^3-tan\left(x\right)}dx$

$csc^2x+1=0$

$8v\:-\:2v\:=\:42$