$\int\left(2x-5\right)\left(x^2-5x+7\right)^2dx$

$\csc^2\left(x\right)-\sin^2\left(x\right)-\cos^2\left(x\right)=\cot^2\left(x\right)$

$\frac{\sin\left(-x\right)}{\tan\left(-x\right)}$

$\tan\left(x\right)=-1.25$

$-26+-g$

$\sqrt{12}+\sqrt{3}-3\sqrt{3}$

$\frac{5+x}{5-x}\le\:\frac{-1}{5}$