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Shkiper50 [21]
3 years ago
9

Which polynomial is a difference of two squares? x2 − 16 x2 + 16 x2 − 8 x2 + 8

Mathematics
2 answers:
AnnZ [28]3 years ago
8 0
X2 - 16, is the answer. The first one.

x^2 - 16 = (x)^2 - 4^2, difference of two squares :)
Effectus [21]3 years ago
6 0
The difference of two squares is of the form:

(a^2-b^2)

I believe that they might just want you to select

(x^2-16) which factors to (x-4)(x+4)

But there is nothing mathematically incorrect in doing the same for:

(x^2-8) which factors to (x-√8)(x+√8)
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