Question

if x:y = 3:4 , then (7x + 3y ):(7x -3y) =?​

Answer 1

Answer:

0

Explanation:

because of this

then we take 3:4 become to like 3x,4y then the question like this

7(3x+3(4y)/7(3x)-3(4y)

21x+12y/21x-12y

0