$\int_1^2\left(\frac{24}{t^4-6t^3}\right)dt$

$\log\left(4x\right)^5$

$x^3=-\frac{1}{2}x$

$\int\left(\frac{x^3+x+1}{x^4+2x^2+1}\right)dx$

$\left(\frac{t+3}{0+3}\right)\cdot\left(\frac{t+1}{0+1}\right)\cdot\left(\frac{t-2}{0-2}\right)$

$\int\frac{x}{\left(x^2+8x+12\right)}dx$

$-250-112$