Simplify: (x+a)^2 * (x-a) ^2

  • Thread starter leolaw
  • Start date
  • #1
85
1
Which is the fastest way to simplify:
[tex](x+a)^2*(x-a)^2[/tex] to [tex](x^2-a^2)^2[/tex] ?
thx
 

Answers and Replies

  • #2
vsage
Think of [tex](x+a)^2*(x-a)^2[/tex] as [tex](x+a)*(x-a)*(x+a)*(x-a)[/tex] and [tex](x^2-a^2)[/tex] as [tex](x-a)*(x+a)[/tex]
 
  • #3
dextercioby
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There's the fastest way
[tex] A^{2}\cdot B^{2}=(AB)^{2} [/tex]

Apply it for your case.

Daniel.
 

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