$-430+-660$

$\int5x\cdot\sin\left(3x^2\right)dx$

$\int\:\frac{x^4-2x^3+x^2+2x-1}{x^2-2x+1}dx$

$\left(x^{3a}+20\right)\left(x^{3a}-20\right)$

$\int\left(2+x\right)\sqrt{5-4x-x^2}dx$

$846.028+2123.04+8.126+4.37$

$\frac{dy}{dx}\left(cos\left[sin\left(2x+5\right)^{\frac{1}{2}}\right]\right)$