# How do you simplify x^3 * 2x^5?

${a}^{n} \cdot {a}^{m} = {a}^{n + m}$
${x}^{3} \cdot 2 {x}^{5} = 2 \cdot {x}^{3 + 5} = \textcolor{g r e e n}{2 {x}^{8}}$