$y=4x^2-2x+1$
$8+w=12$
$\frac{1}{\cos\left(w\right)\sin\left(w\right)}-\frac{2\cos\left(w\right)}{\sin\left(w\right)}$
$8a^3+12ab^2+6ab^2+b^3$
$-7+3x-1$
$24uv^2y^7+28u^4v^9$
$1-3^{2\left(-1\right)}$
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