$-44-35$

$y+5y'+4y=e^-2x\:sec^2x\:\left(1+2tanx\right)$

$\int3x^{\frac{1}{4}}dx$

$\lim_{x\to9}\left(\frac{\sqrt{x-2}}{x-4}\right)$

$\lim_{x\to\infty}\left(\frac{cos\:\left(x+1\right)}{\:\left(x+1\right)}\right)$

$\left(x+2\right)\left(x^{2\:}+4\right)\left(x-2\right)$

$\left(6p+3y\right)\left(6p-3y\right)$