Question

fimd the positive value 1-x²/1+x²=-4/5​

Answer 1

Answer:

4/5 is your answer......

Answer 2

Answer:

1-x2 /1+x2 = -4/ 5

5 (1 - x2 )= - 4 (1 + x2)(cross multiplication method)

5 - 5x2 = -4 - 4x2

5+ 4 = 5x2 -4x2

9 = 1x2 or x2= 9

x=3