$6+15x\ge18+12x$

$m^4-22m^2+40$

$\int_{-\infty}^{-4}\left(\frac{1}{\left(x-4\right)\left(x-10\right)}\right)dx$

$0.04\left(p-2\right)-0.05$

$\int\left(2\cdot\cos\left(2x+3\right)\right)dx$

$\frac{4y^4}{25}-\frac{3y^2}{5}+\frac{9}{16}$

$\left(7t+8\right).\left(3t^2+2t-3\right)$