Question

If x + 1 /x = - 1 , find the value of x³ -1

Answer 1

Step-by-step explanation:

x+1/x = -1

x+1 = -1*x

x+1 = -1x

1 = -x -x

1 = -2x

x = -1/2

x³ - 1

-1/2³ - 1

-1/8 - 1

-1-8/8

-9/8