$\frac{dy}{dx}=2xy^2+4y$

$\int_0^{y^2}\left(3y^3e^{xy}\right)dx$

$\left(k+3m-h\right)^2$

$2^0+2^1+2^2+2^3+2^4+2^5+2^6$

$-240\cdot\left(-1y^5\right)^{12}+y^{16}$

$\left(-2\right)\cdot\left(-1\right)+5\left(-3-1+4\right)$

$\left(2x+1\right)\left(x-2\right)\left(x+3\right)$