SOLUTION: I am now learning sum and difference of Binomials (3y^2 + 1) (3y^2 - 1) i have no idea how to figure it out this way.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am now learning sum and difference of Binomials (3y^2 + 1) (3y^2 - 1) i have no idea how to figure it out this way.      Log On


   

Question 411449: I am now learning sum and difference of Binomials
(3y^2 + 1) (3y^2 - 1)
i have no idea how to figure it out this way.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(3y^2 + 1) (3y^2 - 1)
-----
This problem involves the product of binomials.
The form of the problem is "the product of the
sum and difference of two terms".
----
Ans: (3y^2)^2 - 1
---
= 9y^4-1
==================
Cheers,
Stan H.