Question

find the square of :(7x+3y) plz say me fast those who say me fast and exactly right answer I give to him brainlist​

Answer 1

$\huge\underline\bold\red{Answer}$

(7x + 3y)

=> (7x)² + 2. 7x. 3y + (3y)²

=> 49x² + 42xy + 9y²

Answer 2

Answer :-

• (7x + 3y)²

=> (7x)² + (3y)² + 2. 7x.3y

=> 49x² + 9y² + 42xy