Question

Simplify.
y^-3

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

Answer 1

Answer:

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

Step-by-step explanation: