Question

5 x ^2 + 21 x - 20 upon 25 x ^2 -16 ​

Answer 1

Answer:

--> 5x²+21x-20/25x²-16=0

--> 5x²+21x-20=25x²-16

--> 5x²+21x-25x²= (-16)+20

--> -20x²+21x= 4

--> -20x²+21x-4=0

hence verified!!