Algebra
posted by Cassie .
Which is the extraneous solution of x=sq root of 2x+15?
A. 5
B. 3
C. 3
D. 5
I think it is D...?

Algebra 
Reiny
you are correct
if x = 5
LS = 5
RS = √(10+15) = √25 = 5 ≠ LS
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