$12\cdot4\cdot\left(-2\right)\cdot\left(-3\right)\:$

$\left(x+\frac{5}{4}r\right)^2$

$\frac{csc\left(x\right)\:cos\left(x\right)\:}{tan\left(x\right)+cot\left(x\right)}=cos^2\left(x\right)$

$x^2+32x-8=0$

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

$-8\left(5g+3\right)$

$9x^2y+3xy-18xy^2$