Algebra-1

To simplify (x² - 2)², we can use the formula for the square of a binomial:

(a - b)² = a² - 2ab + b²

In this case, a is x² and b is 2. Substituting these values into the formula, we get:

(x² - 2)² = (x²)² - 2(x²)(2) + (2)²