Posted by sarah on Thursday, April 16, 2009 at 9:57pm.
Your school subject is math.
did you mean
(2x+3)^(2/3) = 3 ??
cube both sides:
(2x+3)^2 = 27
now take √ of both sides
2x + 3 = ± √27
2x = -3 ± √27
x = (-3 ± √27)/2
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