help_people
  • help_people
Which polynomial is a difference of two squares? x2 − 16 x2 + 16 x2 − 8 x2 + 8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
help_people
  • help_people
@amistre64 @Mehek14
dinamix
  • dinamix
its first one
Jhannybean
  • Jhannybean
According to what we know about polynominals, let's say we take \(x=a\) and \(4 =b\) Then we can take our form, \(a^2-b^2\) to write out our function as \((x)^2-(4)^2\) which simplifies to.....?

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More answers

dinamix
  • dinamix
\[x^2-16 = (x-4)(x+4)\]@help_people and \[x^2-8 = (x-\sqrt{8})(x+\sqrt{8})\]
help_people
  • help_people
ok @Jhannybean and @dinamix I know the answer but could you explain more for osme reason i do not get it
zzr0ck3r
  • zzr0ck3r
@help_people You re looking for the form \(a^2-b^2\) and the things is, when it is a variable, we can have it be \(x^2\) so its the other part we are concerned with. So since we need a \(-\) sign, we can rule out options 2 and 4. Ok so what is the problem with \(x^2-8\) Well in order for it to be a perfect square, we need the thing after the \(-\) sign to be written as \(b^2\) where \(b\) is a INTEGER. \(\sqrt{8}\) is not an integer, but \(\sqrt{16}=4\) is.
zzr0ck3r
  • zzr0ck3r
so we have \(x^2-16=x^2-4^2\)
help_people
  • help_people
ok
dinamix
  • dinamix
@help_people u study number complexe , @zzr0ck3r
dinamix
  • dinamix
not you i am sopke with him , i ask if study it
zzr0ck3r
  • zzr0ck3r
I am not sure what you are asking. I am good in certain area dealing with complex numbers, but not the traditional. There are much better people here for that.
Jhannybean
  • Jhannybean
I really like your explanation here, @zzr0ck3r
zzr0ck3r
  • zzr0ck3r
hi @Jhannybean
zzr0ck3r
  • zzr0ck3r
ty :)
dinamix
  • dinamix
@zzr0ck3r i hope know how to explain like u
zzr0ck3r
  • zzr0ck3r
often my problem is over explaining. I have to learn to say only the things that are important. Some stuff I said up there is not 100% correct, but if I say it 100% correct often I would confuse everyone.
help_people
  • help_people
ok thank you for everthing :/ @zzr0ck3r XOXO to all

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