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Simplify \sqrt{.49x^(18) } where x<0

Simplify \sqrt{.49x^(18) } where x<0
asked 86.6k views
3 votes
Simplify
\sqrt{.49x^(18) } where x<0

asked
User Pxg
by
7.3k points

1 Answer

3 votes

Answer:

-7x⁹

Explanation:


\sqrt{49x^(18)} = √((7^2)(x^9)^2) =\sqrt{(7x^(9))^2} = |7x^9|

Since x < 0 ,then |7x⁹| = -7x⁹

answered
User Bookcasey
by
8.5k points
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