$\int e^{x^2+6x-5}\left(x+3\right)dx$

$\frac{3}{5}m^{2}-2mn+\frac{1}{10}n^{2}-\frac{1}{3}mn+2mn-2n^{2}$

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

$22.24+\sqrt{5}$

$-1195\:x\:\left(139\right)$

$2x^2+16x=\left(-7\right)$

$\lim_{x\to\infty}\left(\frac{e^{0.5}}{e^{0.1}}\right)^x$