Question

(a+3b+d)^2-(a-3b+d)^2
Plzz answer my question​

Answer 1

Answer:

12b(a + d)

Step-by-step explanation:

$(a + 3b + d)^{2} - (a - 3b + d)^ {2}$

$= (a + 3b + d + a - 3b + d)(a + 3b + d - a + 3b - d)$

$=2(a + d)(6b)$

=12b(a + d)