$4y+2\left(1-3y\right)$

$\frac{dy}{dx}=\sqrt{y^2-9}$

$w^2-4w+3w-12$

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

$\int\frac{\left(\sqrt{u-1}\right)^3}{u^{\frac{1}{2}}}du$

$3ty-5t^2y^2+4ty^2+-5t^2y^2-8ty$

$\int x\left(3x^2+2x+1\right)dx$