$\left(-1\right)-\left(-1\right)-6$

$\left(4x+\frac{1}{3}\right)\left(4x+\frac{3}{4}\right)$

$\int\left(\frac{2x+5}{x^2+4x-12}\right)dx$

$a\:\left(x\right)\:+c\:\left(x\right)$

$\left(\frac{2}{3}x^3y^3\right)dy+\left(\frac{1}{2}x^2y^4\right)dx=0$

$x^2-8xy+16y^2$

$\int9\csc\left(y\right)\cdot\left(\cot\left(y\right)-\csc\left(y\right)\right)$