$\frac{dy}{dx}\cdot2\cdot x+y=1$

$\int\frac{1+6w}{x^3+8x^2+16x}dx$

$\left(5ax+2\right)^2$

$\int\frac{\left(\sqrt[3]{x}.\sqrt[3]{a}\right)^2}{\sqrt[2]{ax}}dx$

$\int_1^3\left(x^2\cdot e^{x^3-1}\right)dx$

$e^{3x}dy=-dx$

$\lim_{x\to\infty}\left(\frac{x^2+1}{x^2-2}\right)^{x^2}$