It looks like you're trying to express a quadratic equation, but the given expression seems incomplete. Let me assume that you're referring to a product of two binomials:

\[
(x + a)(x + b) = c
\]

Where \(a\), \(b\), and \(c\) are constants. Based on your input:

- \((x + a)(x + b) = -4\)
- One of the solutions gives \(x + a = 3\)

Now, let's deduce possible values for \(a\), \(b\), and \(c\). Please confirm if this is what you meant, or share additional details so I can help solve the quadratic equation fully.

Would you like to clarify or adjust the equation? I’ll gladly provide a detailed solution afterward.

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Here are 5 possible follow-up questions based on quadratics:

1. How do you expand a product of two binomials, like \((x + a)(x + b)\)?
2. How do you find the roots of a quadratic equation using the quadratic formula?
3. Can all quadratic equations be factored, or do some need the quadratic formula?
4. How does the discriminant help determine the nature of the roots of a quadratic equation?
5. What are the possible shapes of the graph of a quadratic function?

**Tip:** When solving quadratic equations, always check for factorization first—it can simplify the process!

Explore how to solve a quadratic equation in factored form, such as (x + a)(x + b) = -4. This example covers factoring binomials and applying quadratic formulas, ideal for students in Grades 8-10.

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