$\lim_{x\to\infty}\sqrt{x^2+5x+3}-x$

$\int\frac{1}{\left(1-2t\right)}dt$

$\frac{dy}{dt}=1+\left(t-y\right)^2$

$\lim_{x\to1}\left(\frac{1-2x}{x^2}\right)$

$\left(-x^2y^2\right)\cdot\left(-4y^2z\right)$

$h\left(z\right)=\left(6-z^2\right)\left(z^3-z+2\right)$

$62,3-56,4$