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

$a\:x\:b\:x\:c$

$\left(-6\right)x\:\left(+3\right)\:-\:\left(+5\right)$

$\int\frac{1}{sin^2\left(x\right)\sqrt[4]{cot\left(x\right)}}dx$

$\left(5y+12x\right)^2$

$4x+8x-7y+5y$

$\int\:\frac{x^3}{2\sqrt{x^2-\frac{9}{4}}}dx$