(3x + 4y)(3x – 4y)

Answer 1

Expanding the expression using the FOIL method, we get:

(3x + 4y)(3x – 4y) = 9x^2 – 12xy + 12xy – 16y^2

Simplifying, the middle terms cancel out and we are left with:

(3x + 4y)(3x – 4y) = 9x^2 – 16y^2