$+23bc-0.3bc$

$\left(x+\frac{1}{x}\right)^x+x^{x+\frac{1}{x}}$

$\frac{dy}{dx}=\frac{\ln x+6x}{x^{2}}$

$\left(y-yx^2\right)\frac{dy}{dx}=\left(y-1\right)$

$\left(10x-6y\right)\left(10x+6y\right)-\left(x+3\right)^2$

$\int_0^2x^3\ln\left(3x\right)dx$

$\int6x^5e^{x^6}dx$