$2^{x+3}+\frac{2^{x+4}}{2^{x+5}-2^{x+2}}$

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

$\frac{\left(x+q\right)^5-a^5}{\left(x+a\right)-a}$

$2ydy=\left(\frac{x}{x+1}\right)dx$

$20+900$

$\int_0^2\left(x\cdot\:\cos\:\left(nx\right)\right)dx$

$3\left(\frac{9}{49}x^7\right)\left(\sqrt{3}y^2\right)$