Sure! It seems like you're asking for the complete and detailed numerical results of the expressions from the problem. Here they are:

### Expression 6:
\[
(7 - 20 + 8 - 30)(4 + 0)
\]

1. Simplify the terms inside the parentheses:
   \[
   7 - 20 = -13
   \]
   \[
   -13 + 8 = -5
   \]
   \[
   -5 - 30 = -35
   \]
   
2. Simplify the second part:
   \[
   4 + 0 = 4
   \]

3. Multiply the results:
   \[
   (-35) \times 4 = -140
   \]

### Expression 7:
\[
[7 - (24 - 125 + 61)](9^2 + 3)
\]

1. Simplify the terms inside the innermost parentheses:
   \[
   24 - 125 = -101
   \]
   \[
   -101 + 61 = -40
   \]

2. Simplify the expression inside the brackets:
   \[
   7 - (-40) = 7 + 40 = 47
   \]

3. Simplify the square and addition:
   \[
   9^2 = 81
   \]
   \[
   81 + 3 = 84
   \]

4. Multiply the results:
   \[
   47 \times 84 = 3948
   \]

### Final Complete Numerical Answers:
1. \((-35) \times 4 = -140\)
2. \([7 - (-40)] \times (81 + 3) = 47 \times 84 = 3948\)

If you have any further questions or need additional clarification, feel free to ask!

Here are five more questions to consider:

1. How do parentheses affect the order of operations in mathematical expressions?
2. What happens when you multiply two negative numbers?
3. How can you break down large multiplication problems like \(47 \times 84\) into smaller, more manageable steps?
4. How does squaring a number impact its magnitude?
5. What is the importance of checking your steps when solving algebraic expressions?

**Tip:** When working with long expressions, write out each step clearly to avoid missing any operations.

Explore the complete numerical results of mathematical expressions, including detailed step-by-step solutions. Learn about order of operations, multiplication of integers, and the impact of squaring numbers. Suitable for Grades 7-9.

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