Question

simplify. :

(6x + 3y)^2 + (6x-3y )^2​

Answer 1

Answer:

72x² + 18y²

Step-by-step explanation:

Answer 2

Answer:

use (a+b)^2 formula here

Step-by-step explanation:

(36x^2+9y^2+2.36x9y)+(36x^2+9y^2-2.36x9y)

=72x^2+18y^2-0

Answer is= 72x^2+18y^2

(I'm 99% sure that this is correct xD)