$\int_0^1\left(\frac{1}{2x-5}\right)dx$

$\int\frac{x^3}{\sqrt{\left(x^2+\frac{9}{4}\right)^3}}dx$

$\left(1.87\right)^2$

$\left(sin\left(x\right)+1\right)sec\left(x\right)$

$x=10\cdot y+1\cdot y^2$

$\frac{120ab}{-12b^2}$

$40.\left(a\:+\:x\right)\:\left(a\:-\:x\right)\:$