$3\left(x+1\right)-3\left(x-2\right)<x+6$

$\int\frac{x^4-5x^2+2x}{5x^2}\:dx$

$2+\frac{4}{a}=\frac{14}{a}-3$

$2sin\left(\frac{\pi}{2}x\right)=\sqrt{2}$

$\int3xln\left(x^3\right)dx$

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

$4x^2-36y^2$