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

User Pxg
by
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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

User Bookcasey
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