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posted by Helen on Friday, May 28, 2010 at 7:47pm.
I need help with these problem please. X^2+6=15 (x+4)^2=6 can some one help me please.
x^2 + 6 = 15 x^2 = 9 x = +3 or x=-3 x+4 = sqrt 6 or -sqrt 6 x = -4 + sqrt 6 or x = -4 - sqrt 6
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