To simplify the expression:

\[
x^2 + 5x - 6 + 3x - 4
\]

1. First, combine like terms:
   - Combine the \(x\)-terms: \(5x + 3x = 8x\)
   - Combine the constant terms: \(-6 - 4 = -10\)

2. Substitute back into the expression:

\[
x^2 + 8x - 10
\]

Thus, the simplified expression is:

\[
x^2 + 8x - 10
\]

Would you like further details on the simplification process, or have any other questions?

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1. How do you factor quadratic expressions?
2. What is the purpose of combining like terms?
3. How would you solve \(x^2 + 8x - 10 = 0\)?
4. How does simplification help in solving equations?
5. What methods can be used to factor trinomials?

**Tip:** Always double-check for like terms to ensure the expression is fully simplified.

Learn how to simplify the polynomial expression x^2 + 5x - 6 + 3x - 4 by combining like terms. This problem covers key algebraic concepts such as polynomial simplification, suitable for students in Grades 7-8.

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