Algebra-1

To expand and simplify (6z + 1)(6z - 1), we can use the formula for multiplying binomials:

(a + b)(a - b) = a² - b²

In this case, a is 6z and b is 1. Substituting these values into the formula, we get:

(6z + 1)(6z - 1) = (6z)² - 1²