$\int\left(\frac{9e^x+3}{e^x}\right)dx$

$\left(-7\right).\left(-2\right).2\left(-3\right).\left(5\right).2$

$-\frac{27000}{300}$

$\frac{dy}{dx}=\frac{y}{x}\:+\:\frac{x^2}{y^2}+1$

$\left(7^2\right)^x=\left(7^3\right)^g$

$27,73+\:8,006+\:15,076$

$\int\left(\left(2x+5\right)^7\right)dx$