The expression \((a+b)^2\) can be expanded using the binomial theorem. The expansion is given by:

\[
(a + b)^2 = a^2 + 2ab + b^2
\]

So, \((a+b)^2\) simplifies to \(a^2 + 2ab + b^2\).

Would you like more details or have any questions? Here are five more questions you might be interested in:

1. How do you expand \((a - b)^2\)?
2. Can you solve \(x^2 + 6x + 9 = 0\)?
3. What is the binomial theorem?
4. How do you factor \(x^2 + 5x + 6\)?
5. What is the quadratic formula?

**Tip:** When expanding binomials, remember to apply the distributive property carefully to avoid mistakes.

Learn how to expand the expression (a+b)^2 using the binomial theorem. This problem covers key algebraic concepts, including the binomial theorem and polynomial expansion. Suitable for students in Grades 7-9.

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