The expression (3x - 4y^2)(3x + 4y^2) is equivalent to:

I need help studying for my ACT's and, it would help if anyone awnsering could break down and explain the problem as much as possible.
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2 Answers

That problem is a difference of two squares.

Using the foil formula, u expand n collect like terms,

Your final answer should be = 3x^2 - 16y^4.

 

email me if your still confused..

cheers....yes

by Level 1 User (180 points)
Answer would be

9x^2 - 16y^4
by

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