$64a^2b^5z-16ab^6-8ab^4$

$\left(8x+5\right)^3$

$\frac{d}{dy}\left(y=x^2+3\right)$

$-25-\left(-17\right)$

$7\left(y+25\right)+84\ge56$

$\cos x\left(\sec x+\cos x\right)+\sin x\left(\csc x+\sin x\right)-1$

$\left(\frac{2}{3}m+\sqrt{3}y\right)\left(\frac{2}{3}m-\sqrt{3}y\right)$