Question

(4 x + 3 Y upon 5 ) (3 x minus 4 Y upon 5)​

Answer 1

(4x + 3Y /5) ( 4x -3Y/5) (4x)'2 - (3Y/5)'2 = 16x'2 - 9Y'2/25

Answer 2

Step-by-step explanation:

(4x+3y ×5) (3x-4y×5)

(4x+3y) (3x-4y)=5/5

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

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

(7x)(7y)

xy=7/7

xy=0