Algebra-1

To expand and simplify (3y + 4)(3y - 4), we can use the formula for multiplying binomials:

(a + b)(a - b) = a² - b²

In this case, a is 3y and b is 4. Substituting these values into the formula, we get:

(3y + 4)(3y - 4) = (3y)² - 4²
    &nb...