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.

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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)   (Show Source): You can put this solution on YOUR website!
(3y^2 + 1) (3y^2 - 1)
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This problem involves the product of binomials.
The form of the problem is "the product of the
sum and difference of two terms".
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Ans: (3y^2)^2 - 1
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= 9y^4-1
==================
Cheers,
Stan H.

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