what is the factored form of x^4-16

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gurfcnprunezbavmre

Mathematics

Description

I need help understanding algebra

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Explanation & Answer

a^2 -b^2 = (a+b) (a-b)

So the equation x^4 -16 can be written as (x^2+4) (x^2-4)

Again (x^2-4) can be written as (x+2) (x-2)

so x^4 -16 = (x^2+4) (x+2) (x-2) 

Please let me know if you have any other questions and best me if you are satisfactory.


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