$2sin\frac{\pi}{4}+4sinbcosb$

$\frac{\left(8a^6b^3c^4\right)}{\left(4a^3b^3c^4\right)}$

$y\left(x-z\right)\left(x+z\right)$

$\left(\frac{\cot\left(a\right)\tan\left(a\right)^2}{\sin\left(a\right)}\right)$

$\sqrt[25]{32m^{15}n^{20}b^{10}}$

$418\:=\:-22a$

$ax^2+12x^4$