$w^2+14w+7^2$
$\left(\frac{5w^3}{4}-\frac{8}{15}\right)\left(\frac{5w^3}{4}-\frac{1}{5}\right)$
$4d^2-20d+25$
$\cos\left(\arcsin\left(x\right)-\arctan\left(y\right)\right)$
$\int x\cdot\cos\left(x\right)wdx$
$28n+14n$
$4x^2^n-\frac{1}{9}$
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