Question

If x²-y2 = 27. Than 3 (x+y)(x-y) = ?​

Answer 1

Answer:

x^2 -y^2 = (x+y) (x-y) = 27

(x +y) (x-y) = 27

3 (x+y) (x-y) = 3 × 27

3 ( x+y) (x-y) = 81

hope it will be helpful