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

$\left(xy^2\right)\cdot\left(x^2-2y+4\right)$

$\log_{2x}\left(x\right)+\log_{8x}\left(x\right)=0$

$4x^2+24x-130$

$49m^2+56mn+16n^2$

$\left|\frac{\left(2-i\right)}{\left(3+i\right)}-\frac{\left(1\right)}{\left(2i\right)}\right|$

$3\sin\left(\frac{5\pi}{4}+1\right)$