The expression you provided is:

\[ 7 \times 7 - 4 \]

Let's solve it step by step:

1. First, perform the multiplication:
   \[ 7 \times 7 = 49 \]

2. Then subtract 4:
   \[ 49 - 4 = 45 \]

Thus, the result is:

\[
45
\]

Would you like more details on this or have any questions?

Here are some related questions you might find helpful:
1. What is the order of operations (PEMDAS)?
2. How does multiplication work with negative numbers?
3. What happens if we add parentheses to the expression: \((7 \times (7 - 4))\)?
4. What is the difference between addition and multiplication?
5. How do we solve equations with variables?

**Tip:** Always remember to follow the order of operations (PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction) when solving math problems!

This detailed solution demonstrates how to solve the expression 7 × 7 - 4 step-by-step by applying the order of operations (PEMDAS). Learn basic arithmetic concepts such as multiplication and subtraction. Suitable for students in Grades 5-7.

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