$x^3+10x^2+16x^2$

$x^3y\left(x^3y^2+xy^2\right)$

$v^2-10v-7=0$

$csc\left(x\right)^4+cot\left(x\right)^4=\frac{1+\cos\left(x\right)^2}{1-\cos\left(x\right)^2}$

$\left[3\left(5\right)^2-4\left(5\right)-3\right]-\left[3\left(3.5\right)^2-4\left(3.5\right)-3\right]$

$\left(5y^2\:+\:4\right)\left(5y^2\:-\:14\right)$

$0.12\:+\:3.1\:-\:\frac{20}{5}$