SOLUTION: Find the number that is 3 more than twice the square root.

Question 540815: Find the number that is 3 more than twice the square root.
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!

Square both sides

x-9=0 and x-1=0

x=9 and x=1

Try them in the original equation. 9 works. 1 works because recall that can be positive or negative. If it's negative (-1 * -1 = 1) then the original equation is:
1 = -2+3 which is correct.

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