$\left[m^4-\left(3m^2+2m+3\right)\right]+\left(-2m+3\right)$

$\frac{y^2+1}{y^2}\:\frac{dy}{dx}=\frac{1}{x^2+1}$

$4\cdot\left(-9\right)\cdot\left(-3\right)\cdot\left(-1\right)$

$\frac{15x^2+43x+34}{3x+5}$

$\int\left(4x^3\ln\left(2x^4+12\right)\right)dx$

$16y^2-40y+25$

$\frac{d^2y}{dx^2}+\cos\left(x\right)+\sin\left(x\right)=0$