SOLUTION: evalute the equation (p^3-8y^3) if-: p-4y=2 & py=8

Question 803196: evalute the equation (p^3-8y^3) if-:
p-4y=2 & py=8
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
I do not like that problem. I think there is a typo.
I will solve the problem as typed, and the problem that was probably meant.

AS TYPED:
The problem as presented requires a lot of tedious work to get to 2 different ugly answers:
If & ,
& -->-->-->

That's ugly, but it gets worse:

-->-->-->
That gets us to -->

The other solution,
-->-->-->
That gets us to -->

THE PROBLEM AS IT SHOULD BE:
& allows for some clever maneuvering.
Since ,
we could use some of those special products that the textbook represents as
,
and

One way:

=
=
=
=
=
=
=

Another way to calculate

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