SOLUTION: (3y^2 + 1) (3y^2 � 1)

Question 217508: (3y^2 + 1) (3y^2 � 1)
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!

Step 1. Use the FOIL (multiply First, Outer, Inner, and Last terms) method

Step 2. Simplify by combining like terms and in this case

Step 3. ANSWER:

where this formula is the difference of squares

I hope the above steps and explanation were helpful.

For free Step-By-Step Videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry, please visit http://www.FreedomUniversity.TV/courses/Trigonometry.

Also, good luck in your future studies.

Respectfully,
Dr J

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