$-\left(+4-7-9\right)+\left(-4+5-2\right)$

$-2380\cdot256u^4\cdot q^{13}$

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

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

$\left(4x+3y+3z\right)^2$

$\lim_{x\to1}\left(\frac{x^2-\left(\sqrt{x}\right)}{\sqrt{x}-1}\right)$

$20+90+51e\pi^2$