$2a^2-12a+8$

$1-\sin\left(x\right)^2+\sin\left(x\right)^4$

$-20\:\left(+\:55\right)\:+\:45$

$107\cdot93\:\:\:\:\:\:\:\:\:\:$

$2\csc\left(a\right)=\frac{\sin\left(a\right)}{1+\cos\left(a\right)}+\frac{1+\cos\left(a\right)}{\sin\left(a\right)}$

$\left(\frac{4\sqrt[2]{3}}{2}+\frac{4i}{2}\right)^3$

$3m=69$