https://file.aiquickdraw.com/mathbot/file/1726035345334hrj9vrd1.jpg

The expression in the image is:

\[
(-4x + 4x^3 + 7) + (-3x^3 - 9 - 3x)
\]

Now let's simplify the expression step-by-step.

1. **Combine like terms:**
   - For \(x^3\), we have \(4x^3 - 3x^3 = 1x^3\).
   - For \(x\), we have \(-4x - 3x = -7x\).
   - For constants, we have \(7 - 9 = -2\).

So, the simplified expression is:

\[
x^3 - 7x - 2
\]

Would you like more details or have any questions on this? Here are 5 follow-up questions to expand on this:

1. How do we add polynomials step by step?
2. What happens when we combine like terms with opposite signs?
3. Can we further factor the resulting expression \(x^3 - 7x - 2\)?
4. What are the different degrees of polynomials and how do we classify them?
5. How do you apply polynomial addition and subtraction in real-world problems?

**Tip:** Always ensure that you arrange terms of polynomials by their degree before combining like terms to avoid mistakes in simplification.

Add and subtract the expression (-4x + 4x^3 + 7) + (-3x^3 - 9 - 3x)

Learn how to simplify the polynomial expression (-4x + 4x^3 + 7) + (-3x^3 - 9 - 3x) by combining like terms. This solution covers polynomial addition and step-by-step simplification. Suitable for students in Grades 8-10.

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