SOLUTION: if y=3 then y3(y3-y)=

Algebra ->  Exponents -> SOLUTION: if y=3 then y3(y3-y)=      Log On


   



Question 229500: if y=3 then y3(y3-y)=
Found 2 solutions by rfer, anantha:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
y^3(y^3-y)=
3^3(3^3-3)=
27(24)=648

Answer by anantha(86) About Me  (Show Source):
You can put this solution on YOUR website!
sol:
y^3(y^3-y)
here y^3 can be written as y*y*y
substitute y value
y^3=y*y*y=3*3*3=27
y^3(y^3-y)
here substitute y^3 value and y value
=27(27-3)
=27(24)
=27*24=648