Question

a minus one upon a is equal to 5 square ​

Answer 1

Answer:

-1/×24

Step-by-step explanation:

a-1/a=25

a-1=25a

-1=24a

a=-1/24

Answer 2

Step-by-step explanation:

a-1/a=5^2

a^2-1^2=25a

a^2-25a-1=0

by completing the square

a^2-25a+625/4-625/4-1=0

(a-25/2)^2=629/4

a=(629/4)^1/2+25/2