$\left(4\cdot7\right)^{-2}$

$\frac{d^2}{dx^2}\left(e^{x^2-4x+5}\right)$

$\sqrt{2}\cdot sin^3\left(x\right)=sin^2\left(x\right)$

$\int\left(3x-1\right)\cdot e^xdx$

$\int_1^{\infty}\left(\frac{1}{x^3+8}\right)dx$

$\int_0^{\frac{1}{xz}}\left(\ln\left(z\right)\right)dz$

$6x^2+5x-25$