$\int x^{-\frac{1}{2}}e^{-\sqrt{x}}dx$

$m^2+17m+49$

$\left(\frac{\left(300\right)\left(111.69\right)^3}{3}\right)+\left(7.3-1\right)\cdot226\cdot\left(111.69-40\right)^2+\left(7.3\right)\left(603.18\right)\cdot\left(\left(560-111.69\right)^2\right)$

$xy^4dx+\left(2y^2+2\right)e^{-3x}dy=0$

$\int7x^3\sqrt{\left(2x-1\right)}dx$

$-7x+3\ge-18$

$\frac{8^4}{8^3}$