$\frac{dy}{dx}\left(x+2\right)^2+4y\left(x+2\right)^3$

$\int_0^a\frac{x^2}{\sqrt{a^2-x^2}}dx$

$2w^2.2w^2$

$-70x+2x+17x+170x$

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

$\frac{\sec\left(x\right)}{1-\csc\left(x\right)}$

$\left(2x^2+x\right)\left(4\right)$