$n-2=-2$

$\left(a+\:5\right)^3\:\left(a\:+1\right)^2+\:\left(a+\:5\right)^2\:\left(a+\:1\right)^3$

$\int\left(5e^x+3x^{-3}-x\right)dx$

$7 x + 3 \geq 5$

$\:\left(-7\right)\:-\:\left(+1\right)\:+\:\left(-3\right)$

$1.6n+2=0.5\left(n+15\right)$

$6t^2w+12tw^2-3t^2w+6tw$