$x\frac{dy}{dx}=y+x\cos x$

$\left(3p^{10}+49^8\right)^2$

$\cot\left(a\right)\csc\left(a\right)=\frac{\csc^2\left(a\right)-1}{\cos\left(a\right)}$

$12x^2-80x+100$

$\int x^8\left(9+x^9\right)^5dx$

$\int\frac{3x-4}{\left(x-7\right)\left(x+1\right)^2}dx$

$\frac{2x^3-4x^2-2x+3}{-3}$