SOLUTION: (5x^2-1)^2

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Question 185543: (5x^2-1)^2
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given expression.


Expand. Remember something like .


Now let's FOIL the expression.


Remember, when you FOIL an expression, you follow this procedure:


Multiply the First terms:.


Multiply the Outer terms:.


Multiply the Inner terms:.


Multiply the Last terms:.


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So we have the terms: , , , and


Now add every term listed above to make a single expression.


Now combine like terms.


So FOILs to .


In other words, .

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