$\left(5t-7\right)\left(2t+7\right)$

$\frac{t^{\:7}}{t^{\:3}}$

$\left(x^2-xy+y^2\right)\left(x^2y^2+xy\right)$

$m^2+10m+20$

$\left(-3c^3-d^{-4}g^6\right)^2$

$\int_0^{\infty}\left(\frac{x^5}{\left(1+x^3\right)^{\frac{5}{2}}}\right)dx$

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