Question 382592
{{{sqrt(-x) +7 =x-1}}}
-7   -7
{{{sqrt(-x)=x-1-7}}}
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{{{sqrt(-x)=(x-8)}}}
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square both sides
-x =x^2-16x+64
+x +x
x^2-15x+64
Find the roots using quadratic formula
discriminant = -31
.
x1= (15+sqrt(-31))/2
x1=7.5 + 2.7838821814150107i 
x2=7.5 - 2.7838821814150107i
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m.ananth@hotmail.ca