$( x - \frac { 1 } { 2 } ) ^ { 2 }$

$\left(-3\right)^3:\sqrt{9}-\sqrt[3]{10^2+\left(-5\right)^2}\cdot\left(-2+2\cdot4\right)+\left(-1\right)^2\cdot\sqrt[5]{-1}$

$\frac{2x^5-4x^2}{x^3+7}$

$\int\left(\frac{14x+8}{7x^2+8x+7}\right)dx$

$\frac{1}{x}\frac{dy}{dx}+3x^2y^2=0$

$\int\frac{4x^3+2x+1}{\left(4x^3-x\right)}dx$

$x+y+1=0$