Respuesta :
Answer:
36x^2- 9y^2
this is the correct answer after you simlify
36x^2-18xy+18xy-9y^2
Answer:
36x^2 - 9y^2
Step-by-step explanation:
Distribute
(6x+3y)(6x-3y)
6x(6x-3y) + 3y(6x-3y)
Distribute
6x(6x-3y )+ 3y(6x-3y)
36x^2 - 18xy +3y(6x-3y)
Distribute
36x^2 -18xy + 3y(6x-3y)
36x^2 - 18xy+ 18xy - 9y^2
Combine like terms
36x^2 -18xy + 18xy - 9y^2
36x^2 - 9y^2
