## Algebra: A Combined Approach (4th Edition)

$6$
Step 1: $(5x)^{0}+5x^{0}$. Step 2: Using the zero exponent rule, $(5x)^{0}=1$ and $x^{0}=1$. Step 3: Therefore the equation becomes $1+5(1)$. Step 4: $1+5(1)=6$.