Question

Simplify.
y^-3

3/y
1/y^3
-3y
-1/y^3

Answer 1

STEP

1

:

Equation at the end of step 1

(((y3) - 3y2) + 3y) - 1

STEP

2

:

Checking for a perfect cube

2.1 y3-3y2+3y-1 is not a perfect cube

Trying to factor by pulling out :

2.2 Factoring: y3-3y2+3y-1

Explanation: