$3-2x=1.5$

$\sec\left(x\right)=\frac{\sqrt{205}}{14}$

$\int\left(4x-12\right)e^{-8x}dx$

$\frac{\left(x^7-x^6+x^5-x^4+2\right)}{x-1}$

$\frac{1+\cos\left(x\right)^2}{\sec\left(x\right)^2}$

$\int\frac{\ln\left(y\right)}{y}dy$

$12\:-\:\left[-7\:-\:\left(2\:-\:10\right)\right]\:$