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

$\left(\sin\left(x\right)+\cos\left(x\right)\right)^2=1+\frac{2\sin\left(x\right)}{\cos\left(x\right)}$

$\left(-x^7y^{\frac{1}{2}}-4a^4b^4\right)^4$

$f\left(x\right)=\left(x-3\right)\left(x-2\right)-\left(x-2\right)\left(1-x\right)+\left(1-x\right)$

$\int_{-2}^2\left(\frac{1}{x^2}\right)dx$

$-\frac{5a^2+8ab-21b^2}{a+3b}$

$\left(3xy-xy^2\right)y'=-y+3$