$4773\cdot89$

$14v^3b-28v^2b^2+2lvb^3$

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

$\:\left(2x^{\left(2a-2\right)}-2y^{\left(2a+2\right)}\:\right)^2$

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

$\frac{2x^3-1x^2-12x-9}{x+1}$

$\left(2a-2\right)\left(2a+2\right)$