$3x^2+2x+1<0$

$3xyxz$

$\sqrt{-11}$

$\left(\left(a+b\right)^2+c\right)^2$

$\int\left(x^2\cdot\:\sin\:\left(4x\right)\right)\left(e^{-sx}\right)dx$

$\left(-2\right)\left(0\right)-2$

$\int_0^{\frac{\sqrt{2}}{2}}\left(\frac{t^2}{\left(1-t^2\right)^{\frac{3}{2}}}\right)dx$