$\left(-5\right)x\left(-5\right)x\left(-5\right)x\left(-5\right)x\left(-5\right)$

$36n^2-25$

$\int\left(\frac{4x+6}{\left(x^2+3x+7\right)^4}\right)dx$

$\frac{dy}{dx}=\frac{y^2+1}{8x^2-6x+1},\:y\left(0\right)=\sqrt{3}$

$\frac{\left(x+2\right)^4}{\left(x-2\right)^{-3}}$

$\frac{64x^6+27y^3}{4x^2+3y}$

$\int x^3\sqrt{\left(x^2+9\right)}dx$