SOLUTION: solve <a href="http://www.codecogs.com/eqnedit.php?latex=\sqrt{5x@plus;21}=x@plus;3" target="_blank"><img src="http://latex.codecogs.com/gif.latex?\sqrt{5x+21}=x+3" title="\sqrt{5

Question 404411: solve
$\sqrt{5x+21}=x+3$
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
.......to the second power

...or

.....use quadratic formula and plug in ,, and

check:
........plug in

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