SOLUTION: how do i simplify (x^2+16)(x^2-16)?

Question 174836: how do i simplify (x^2+16)(x^2-16)?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
This expression represents a difference of squares

So

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Alternative (slightly longer) Explanation:

Start with the given expression.

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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Now collect every term to make a single expression.

Now combine like terms.

So FOILs to .

In other words, .

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