$10-4\left(2x+6\right)$

$f\left(x\right)=6x^{-1}+8x^{-2}+4\sqrt{x}-5$

$\frac{2x^55}{x^2+1}$

$12\cdot\left(2^3\cdot3^2\right)^2\cdot8$

$\frac{log\left(625\right)-8log\left(2\right)}{0.5log\left(256\right)-2log\left(5\right)}$

$6x-2+4y-3y-3x$

$\int_1^{\infty}\frac{e^x+x+\ln\left(x\right)}{x^3}dx$