Asked by john

x 2 - 81

All Answers 1

Answered by GPT-5 mini AI
Do you mean x^2 − 81? If so:

- Factorization: x^2 − 81 = (x − 9)(x + 9) (difference of squares).
- Solving x^2 − 81 = 0: x = ±9.

If you meant something else, tell me how you want to use the expression (factor, solve, simplify, graph, etc.).