$\left(\frac{3}{4}-a^3b^3\right)\left(\frac{8}{4}ab^3\right)\left(\frac{8}{3}a^5b^4\right)$

$\left(-95\right)\cdot\left(-73\right)$

$14-16+8+12+8+6$

$\left(\:z+\:3\sqrt{7}\right)\left(z-2\sqrt{7}\right)$

$\int\frac{x+3}{\left(x^2-49\right)}dx$

$2\left(x-3\right)+5\ge5-x$

$\int\sec^2\left(x\right)\cos\left(\tan\left(x\right)+1\right)dx$