Question: User: 7\times 8x
1. **Stating the problem:** Simplify the expression $7 \times 8x$.
2. **Formula and rules:** Multiplication is associative and commutative, so we can multiply numbers and variables separately.
3. **Intermediate work:**
$$7 \times 8x = (7 \times 8) \times x = 56x$$
4. **Explanation:** Multiply the constants $7$ and $8$ to get $56$, then multiply by the variable $x$.
5. **Final answer:** $56x$