To simplify the expression \(-4(-3x + u - 1)\), we need to distribute the \(-4\) across all terms inside the parentheses:

\[
-4(-3x + u - 1) = (-4) \cdot (-3x) + (-4) \cdot (u) + (-4) \cdot (-1)
\]

Now, calculate each term:
- \((-4) \cdot (-3x) = 12x\)
- \((-4) \cdot u = -4u\)
- \((-4) \cdot (-1) = 4\)

So, the simplified expression is:

\[
12x - 4u + 4
\]

Let me know if you need further explanation or details on this process!

Here are 5 related questions:
1. How do you simplify expressions with more complex parentheses?
2. What are some rules for distributing negative numbers across terms?
3. Can you distribute a fraction in the same way as a whole number?
4. How do you combine like terms after distribution?
5. How do you handle nested parentheses?

**Tip:** Always distribute negative signs carefully, as missing a sign can lead to incorrect results!

The query submitted by the user: -4(-3x+u-1)

Learn how to simplify the expression -4(-3x + u - 1) by applying the distributive property. This problem demonstrates key algebraic concepts like distributing negative numbers and simplifying expressions. Suitable for students in Grades 7-9.

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