SOLUTION: Solve. √2x+6-6=0 I did this twice and I keep getting different answers. The first one I got was no solution then I got -4. Please help me?

Algebra.Com
Question 82001: Solve.
√2x+6-6=0
I did this twice and I keep getting different answers. The first one I got was no solution then I got -4. Please help me?

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Does your problem look like this?



Add 6 to both sides

Square both sides

After squaring we get this

Subtract 6 from both sides

Divide both sides by 2

Check:




Plug in x=15

Multiply

Add

Take the square root

works. This verifies our answer.



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