$64x^3-4$

$\lim_{x\to\frac{3}{2}}\left(\frac{8x^3-27}{2x^3-3x^2-50x+75}\right)$

$3x^2y+3x^2z+3y^2x+3y^2z+3z^2x+3z^2y+6xyz$

$4\left(\sin\left(x\right)^4-\sin\left(x\right)^2\cos\left(x\right)^2+\cos\left(x\right)^4\right)$

$-1+-1^2+-1^3$

$\left(x^2-3x+4\right)^2$

$12\left(-2\right)-11$