$\int\frac{\left(a^x-b^x\right)^2}{a^x\cdot b^x}dx$

$455\:+\:-98$

$\left(m-6\right)\left(m-8\right)$

$\int\left(8x+10\right)\cdot\left(7-2x^2-5x\right)^3dx$

$\frac{-90+40x^2}{2x-3}$

$y=\frac{4}{x},\:x=1,\:x=2$

$\int\left(\frac{\cos\left(x\right)}{1+4\sin\left(x\right)}\right)dx$