$p\left(x\right):\:4x^2-5x+4$

$\left(7a^3\:+\:11b^2\right)^2$

$\cos\left(a\right)=\frac{\left(\cos\:\left(3a\right)+\cos\:\left(a\right)\right)}{2\cos\left(2a\right)}$

$x^2-59x+58$

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

$2\left(0.740+1\right)$

$\cos\left(\arccos\left(u\right)\right)$