SOLUTION: Solve the equation. Check for extraneous solutions. square root of 5x+1 = x-4

Question 155290: Solve the equation. Check for extraneous solutions.
square root of 5x+1 = x-4
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!

then

x=11.72 (aprox) or x=1.28 (aprox)
Checking:
x-4 is positive if x=11.72 but is negative if x=1.28
is always positive so x=1.28 is a extraneous solution
and the only solution for the first equation is the first
Answer:

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