$3m\left(x\:+\:1\right)\:-\:2n\left(x\:+\:1\right)$

$\left(x^{10}+11\right)\left(x^{10}+4\right)$

$\csc^2\left(2x\right)+\left(\cot\left(2x\right)\right)\csc\left(2x\right)$

$\frac{x+1}{6}+\frac{x+2}{3}\cdot$

$\infty7$

$\left|-6\right|\cdot\left(7-11\right)+\left(-5\right)\cdot\left(5\cdot\left(8-2\right)-4\cdot\left(9-4\right)\right)$

$\frac{\cos^2x}{1-\sin x^2}=1$