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Factor completely. x^4 - 9.
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2 votes
Factor completely. x^4 - 9.

User Jlareau
by
4.8k points

1 Answer

1 vote

Answer:


(x^2+3)(x^2-3)

Explanation:

Since both are perfect squares use the difference of squares formula
a^2-b^2=(a+b)(a-b) with a =
x^(2) and b = 3

=
(x^2 +3)(x^2-3)

User Rohith Joseph
by
5.3k points
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