The expression you have uploaded is:

$\frac{x^6 \cdot x^{10}}{x^{12} \cdot x^3}$

We can simplify this by applying the rules of exponents. Specifically, we use the rule:

$x^a \cdot x^b = x^{a+b}$ and $\frac{x^a}{x^b} = x^{a-b}$

Step-by-step simplification:

1. In