Question 87534
Ok.
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Remember:
{{{abs(x)}}} is:
{{{x}}} if {{{x>=0}}}
and
{{{-x}}} if {{{x<0}}}
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so
{{{sqrt(-x*abs(x))}}}

{{{sqrt(-x*x)}}} if {{{x>=0}}} --> {{{sqrt(-x^2)}}} *dont exist in the real numbers

{{{sqrt(-x*highlight((-x)))}}} if {{{x<0}}} --> {{{sqrt(x^2) = x}}}
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 The solution is {{{-x}}} and the Domain is {{{x<0}}}. Make the graph.
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Cheers.