Question

if x-1/x=5 find the value of x-1/x^2

Answer 1

Answer:

-20

Step-by-step explanation:

solve for x in the first equation

do you mean

(x-1)÷x = 5?

if yes

x= -1/4

substitute in second equation we get

-(5/4)÷(1/16)

= -20

Answer 2

Answer:

-20

Step-by-step explanation:

x-1/x=5

x-1=5x

x=-1/4

x-1/x^2=-1/4-1÷ (-1/4)^2

=-5÷(1/16)

=-5÷1/4

=-5*4=-20

=