Algebra-1

To expand and simplify (9a² - 8b²)(9a² + 8b²), we can use the formula for multiplying binomials:

(a + b)(a - b) = a² - b²

In this case, a is 9a² and b is 8b². Substituting these values into the formula, we get:

(9a² - 8b²)(9a² + 8b²) = (9a²)² - (...